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Module 5: Scenario-Based MS Outlook & Microsoft 365 Administration – Fault Finding and Troubleshooting

Technical Interview Preparation Last Updated: Oct 30, 2026

 MS Outlook & Office 365 Administration Interview Questions and Answers

 

Section 1: MS Outlook Troubleshooting

Q1. A user says Outlook is not opening. What will you do?

Answer:

“I will first check whether Outlook is already running in the background. Then I will try opening Outlook in Safe Mode to identify whether an add-in is causing the problem. If required, I will repair Office and check the Outlook profile.”

Steps:

  • Check Task Manager for Outlook.
  • Open Run and type outlook.exe /safe.
  • Disable problematic add-ins if identified.
  • Restart Outlook.
  • Repair Microsoft Office if necessary.

Q2. Outlook is opening but is very slow. How will you troubleshoot it?

Answer:

“I will check system performance, mailbox size, Outlook add-ins, and network connectivity. I will also test Outlook in Safe Mode to determine whether an add-in is causing the issue.”

Steps:

  • Check CPU, RAM, and disk usage.
  • Open Outlook in Safe Mode.
  • Disable problematic add-ins.
  • Check mailbox size.
  • Check network connectivity.
  • Repair Office if required.

Q3. A user cannot send or receive emails. What will you check?

Answer:

“First, I will check the internet connection and Outlook connection status. Then I will check whether Outlook is in Work Offline mode, whether the mailbox has sufficient space, and whether the issue also occurs in Outlook on the web.”

Steps:

  • Check internet connectivity.
  • Disable Work Offline if enabled.
  • Check Outlook connection status.
  • Check mailbox storage.
  • Test Outlook on the web.
  • Escalate if the mailbox or Microsoft 365 service is affected.

Q4. Emails are stuck in the Outbox. What will you do?

Answer:

“I will check the internet connection, the size of the email attachment, and Outlook's connection status. I will also check whether Outlook is working offline. If necessary, I will reopen Outlook and retry sending the email.”

Steps:

  • Check connectivity.
  • Check Work Offline mode.
  • Check attachment size.
  • Open the Outbox.
  • Retry sending the email.
  • Test with a small email without attachments.

Q5. A user is not receiving new emails in Outlook. What will you check?

Answer:

“I will check whether the emails are arriving in Outlook on the web. Then I will check Junk Email, inbox rules, mailbox storage, and Outlook synchronization.”

Steps:

  • Test Outlook on the web.
  • Check Junk Email and other folders.
  • Check inbox rules.
  • Check mailbox quota.
  • Check synchronization status.
  • Repair the Outlook profile if required.

Q6. How will you troubleshoot an Outlook password or sign-in problem?

Answer:

“I will verify the user's identity and check the exact sign-in error. Then I will confirm whether the account is active, whether the password has expired, and whether any MFA or Conditional Access requirement is blocking sign-in.”

Steps:

  • Check the error message.
  • Verify the account status.
  • Confirm password and MFA requirements.
  • Check the account in the Microsoft 365 admin tools if authorized.
  • Escalate account or authentication issues if required.

Q7. A user cannot open an email attachment. What will you do?

Answer:

“I will check the file type, file size, and error message. I will try downloading the attachment and opening it with the appropriate application. I will also check whether security restrictions or a corrupted file are causing the problem.”

Steps:

  • Check the attachment type.
  • Download the attachment.
  • Try another appropriate application.
  • Check file permissions.
  • Check security restrictions.
  • Ask the sender to resend the file if it appears corrupted.

Q8. Outlook keeps asking for the password. How will you troubleshoot it?

Answer:

“I will first check whether the user can sign in through Outlook on the web. Then I will check the account status, authentication requirements, and saved credentials. If necessary, I will refresh the sign-in session or repair the Outlook profile according to company procedure.”

Steps:

  • Test Outlook on the web.
  • Check account and authentication status.
  • Verify MFA requirements.
  • Review saved credentials where applicable.
  • Update Office and restart Outlook.
  • Recreate the profile if necessary.

Q9. A user cannot find an email they received earlier. What will you check?

Answer:

“I will search Outlook using the sender, subject, or keywords. Then I will check Deleted Items, Archive, Junk Email, and other folders. I will also check inbox rules and retention policies if the email is missing.”

Steps:

  • Search using sender or subject.
  • Check other folders.
  • Check Deleted Items.
  • Check inbox rules.
  • Check Archive or recoverable items if authorized.
  • Escalate if recovery is required.

Q10. How will you repair a corrupted Outlook profile?

Answer:

“I will first confirm that the issue is related to the Outlook profile rather than the mailbox or Microsoft 365 service. I will try the available profile repair options or create a new Outlook profile and configure the user's account again.”

Steps:

  • Test Outlook on the web.
  • Restart Outlook.
  • Use available profile repair options.
  • Create a new profile if necessary.
  • Configure the account.
  • Verify email synchronization.

 

Section 2: Microsoft 365 Administration – Basic Level

Q11. What is Microsoft 365?

Answer:

“Microsoft 365 is a cloud-based productivity platform that includes services such as Exchange Online, Outlook, Teams, OneDrive, SharePoint, and Office applications, depending on the user's subscription.”

Example: An employee can use Outlook for email, Teams for meetings, and OneDrive for file storage.

Q12. What is the difference between Outlook and Exchange Online?

Answer:

“Outlook is an email client used to read, send, and manage emails. Exchange Online is Microsoft's cloud-hosted email service that manages mailboxes, calendars, and email delivery.”

Simple example:

  • Outlook = Application used by the employee.
  • Exchange Online = Cloud email service hosting the mailbox.

Q13. A new employee joins the company. How will you provide Microsoft 365 access?

Answer:

“I will follow the company's onboarding process. I will verify the approved request, create or confirm the user's account, assign the required license, configure authentication, and verify access to the assigned services.”

Steps:

  • Verify the onboarding request.
  • Create or locate the user account.
  • Assign the approved license.
  • Configure sign-in and MFA as required.
  • Verify mailbox provisioning.
  • Test Outlook and other assigned services.

Q14. A user cannot access Microsoft 365 applications. What will you check?

Answer:

“I will check the sign-in error, internet connectivity, account status, license assignment, and authentication requirements. I will also check the Microsoft 365 service health dashboard if multiple users are affected.”

Steps:

  • Confirm internet connectivity.
  • Check the sign-in error.
  • Verify account status.
  • Verify license assignment.
  • Check MFA or Conditional Access.
  • Check service health.
  • Escalate if necessary.

Q15. What is a Microsoft 365 license?

Answer:

“A Microsoft 365 license determines which services and applications a user is entitled to access. The available features depend on the assigned subscription.”

Example: A license may include Exchange Online, Teams, OneDrive, and desktop Office applications, depending on the plan.

Q16. A user has no mailbox after receiving a Microsoft 365 license. What will you check?

Answer:

“I will verify whether the assigned license includes Exchange Online and whether the Exchange service plan is enabled. I will also check whether mailbox provisioning has completed and whether there are any errors.”

Steps:

  • Check the assigned license.
  • Verify Exchange Online service availability in the license.
  • Check provisioning status.
  • Confirm the user's sign-in identity.
  • Allow time for provisioning if it is still in progress.
  • Escalate if the mailbox is not provisioned.

Q17. How do you reset a user's Microsoft 365 password?

Answer:

“I will verify the user's identity and confirm that I have the required permissions. Then I will reset the password using the authorized admin process and instruct the user to sign in with the new credentials.”

Steps:

  • Verify identity.
  • Open the appropriate admin portal.
  • Locate the user.
  • Reset the password if authorized.
  • Follow company policy for communicating credentials.
  • Verify sign-in and MFA.

Note: In a synchronized or federated environment, password resets may need to be performed through the organization's identity system.

Q18. What is MFA in Microsoft 365?

Answer:

“MFA stands for Multi-Factor Authentication. It adds an extra layer of security by requiring an additional verification method beyond the password.”

Example: A user enters a password and then approves a sign-in request through an approved authentication method.

Q19. A user cannot access a shared mailbox. What will you check?

Answer:

“I will check whether the user has the required mailbox permissions. I will also verify that the correct account is being used and allow time for permission changes to take effect.”

Steps:

  • Confirm the shared mailbox address.
  • Check Full Access permission if needed.
  • Check Send As or Send on Behalf permissions if sending is the issue.
  • Verify permission assignment.
  • Allow time for propagation.
  • Restart Outlook or refresh access.
  • Escalate if the issue continues.

Q20. What is the difference between a shared mailbox and a user mailbox?

Answer:

“A user mailbox is assigned to an individual user. A shared mailbox allows multiple authorized users to access a common email address, such as support@company.com.”

Example: A support team can use a shared mailbox to manage customer queries without sharing one person's password.

 

Section 3: Office 365 Fault Finding and Troubleshooting

Q21. OneDrive is not syncing files. What will you do?

Answer:

“I will check the internet connection, OneDrive sign-in status, available storage, and sync errors. I will also check whether the file name, path, or permissions are causing the issue.”

Steps:

  • Check internet connectivity.
  • Check OneDrive sign-in.
  • Check sync status and error messages.
  • Check storage limits.
  • Check file names and permissions.
  • Restart OneDrive.
  • Reset OneDrive only if necessary and according to support procedure.

Q22. A user cannot join a Microsoft Teams meeting. What will you check?

Answer:

“I will check the internet connection, Teams sign-in status, meeting link, and application version. I will also try Teams on the web to determine whether the problem is with the desktop application.”

Steps:

  • Verify the meeting link.
  • Check internet connectivity.
  • Check Teams sign-in.
  • Update or restart Teams.
  • Test Teams on the web.
  • Check microphone and camera permissions if joining succeeds but audio/video fails.
  • Escalate if required.

Q23. A user cannot edit an Excel or Word file stored in OneDrive or SharePoint. What will you check?

Answer:

“I will check whether the user has edit permission and whether the file is opening in read-only mode. I will also check whether the file is locked, checked out, or restricted by an organizational policy.”

Steps:

  • Check the file location.
  • Verify edit permissions.
  • Check read-only status.
  • Check file locking or checkout.
  • Test access through the web application.
  • Escalate permission issues if required.

Q24. Several users report that Outlook and Teams are not working. What will you do?

Answer:

“I will first determine the number of affected users and whether they are experiencing the same issue. If multiple users are affected, I will check Microsoft 365 service health and the organization's incident notifications rather than troubleshooting each device separately.”

Steps:

  • Confirm the scope.
  • Identify affected applications.
  • Check Microsoft 365 service health.
  • Inform the IT manager or incident team.
  • Follow the incident response process.
  • Keep users updated.
  • Verify service restoration.

Q25. How do you handle a Microsoft 365 issue that you cannot resolve at L1/L2 level?

Answer:

“I will perform the troubleshooting within my permissions and technical scope. I will collect the error message, affected user details, timestamps, troubleshooting results, and relevant logs. Then I will escalate the issue to the Microsoft 365 administrator or appropriate support team.”

Steps:

  • Identify the issue and business impact.
  • Perform basic troubleshooting.
  • Record all findings.
  • Check whether a known incident exists.
  • Escalate to the correct team.
  • Track the ticket.
  • Update the user until resolution.

Q26. Outlook shows “Disconnected.” What will you do?

Answer:

“I will first check whether the computer has internet connectivity. Then I will check Outlook's connection status, VPN if required, and whether Microsoft 365 services are available.”

Steps:

  • Check internet connectivity.
  • Check Outlook's connection status.
  • Check VPN if the organization requires it.
  • Test Outlook on the web.
  • Check Microsoft 365 service health.
  • Escalate if required.

Q27. Outlook shows “Trying to connect.” How will you troubleshoot?

Answer:

“I will check the network connection first. Then I will restart Outlook, verify the user's sign-in status, and test Outlook on the web to determine whether the issue is with the desktop application or the mailbox service.”

Steps:

  • Check internet.
  • Restart Outlook.
  • Verify account sign-in.
  • Test Outlook on the web.
  • Check VPN and proxy settings.
  • Repair the profile if required.

Q28. Outlook keeps freezing. What will you check?

Answer:

“I will check system resource usage, Outlook add-ins, mailbox size, and Office updates. I will open Outlook in Safe Mode to identify whether an add-in is causing the problem.”

Steps:

  • Check Task Manager.
  • Run outlook.exe /safe.
  • Test Outlook performance.
  • Disable problematic add-ins.
  • Update or repair Office.
  • Recreate the profile if necessary.

Q29. How do you disable Outlook add-ins?

Answer:

“I will open Outlook settings for add-ins and disable the suspected add-in. Then I will restart Outlook and test whether performance improves.”

Steps:

  • Open Outlook.
  • Go to File → Options → Add-ins in classic Outlook.
  • Select COM Add-ins and choose Go, where applicable.
  • Disable the suspected add-in.
  • Restart and test Outlook.

Note: The steps differ in new Outlook, which does not support all classic Outlook add-in management options.

Q30. Outlook search is not finding emails. What will you do?

Answer:

“I will first confirm that the email exists and check the search scope. Then I will test the search using a sender or subject. If the issue persists in classic Outlook, I will investigate Windows Search indexing and Outlook updates.”

Steps:

  • Check the selected mailbox or folder.
  • Search by sender or subject.
  • Test Outlook on the web.
  • Check indexing status in classic Outlook.
  • Allow indexing to complete.
  • Escalate if search remains broken.

Q31. A user receives duplicate emails in Outlook. What will you check?

Answer:

“I will check whether the duplicate messages appear in Outlook on the web as well. Then I will review inbox rules, forwarding settings, and any synchronization or mail-flow issues.”

Steps:

  • Compare Outlook desktop and web.
  • Check inbox rules.
  • Check forwarding settings.
  • Check connected devices or mail clients.
  • Investigate mail-flow issues if duplicates exist across clients.

Q32. Outlook calendar is not synchronizing. What will you do?

Answer:

“I will check whether the calendar is correct in Outlook on the web. Then I will check the account connection, synchronization status, and calendar permissions.”

Steps:

  • Check the calendar online.
  • Restart Outlook.
  • Check account connectivity.
  • Verify calendar permissions.
  • Update Office.
  • Repair the profile if necessary.

Q33. A user cannot create a new Outlook profile. What will you check?

Answer:

“I will check the account credentials, network connection, and whether the mailbox is provisioned correctly. I will also verify that the correct account type and authentication method are being used.”

Steps:

  • Confirm the user's account.
  • Test Outlook on the web.
  • Check mailbox availability.
  • Check authentication requirements.
  • Update or repair Office.
  • Escalate provisioning or authentication issues.

Q34. Outlook says the mailbox is full. What will you do?

Answer:

“I will check the mailbox storage and identify large emails or unnecessary items. I will help the user archive or delete items according to company retention policies. If the mailbox still needs more space, I will check the assigned service plan and mailbox limits.”

Steps:

  • Check mailbox storage.
  • Identify large messages and attachments.
  • Clean up unnecessary items.
  • Empty Deleted Items if appropriate.
  • Check archive options.
  • Verify the applicable mailbox quota.

Q35. How do you configure an automatic reply in Outlook?

Answer:

“I will open Automatic Replies, enable the feature, set the start and end time, and enter the message for internal and external senders according to company policy.”

Steps:

  • Open Outlook settings.
  • Find Automatic Replies.
  • Enable the reply.
  • Set the schedule.
  • Enter the message.
  • Save and test if required.

Section 4: Email Delivery, Security and Mailbox Management

Q36. A user says their email was not delivered. How will you investigate?

Answer:

  • “I will ask for the recipient address, approximate sending time, and any bounce-back message. If I have the required permissions, I will check message trace in Exchange admin tools to identify whether the message was delivered, rejected, or delayed.”

Steps:

  • Verify the recipient address.
  • Check Sent Items.
  • Review the bounce-back message.
  • Check message trace if authorized.
  • Identify the delivery failure.
  • Escalate to the Exchange administrator if necessary.

Q37. What is a Non-Delivery Report (NDR)?

Answer:

“An NDR is an automatic notification that informs the sender that an email could not be delivered. It usually contains an error code and information about the delivery failure.”

Common causes:

  • Invalid recipient.
  • Mailbox unavailable.
  • Message rejected by security policy.
  • Attachment or message-size restriction.
  • Mail-flow or destination-server issue.

Q38. A user receives an email from an unknown sender with a suspicious attachment. What will you do?

Answer:

“I will advise the user not to open the attachment or click any links. I will follow the company's phishing-reporting process and report the message to the security team.”

Steps:

  • Do not open the attachment.
  • Do not click links.
  • Report the email.
  • Follow security instructions.
  • If already opened, inform the security team immediately.

Q39. A user accidentally deletes an important email. Can it be recovered?

Answer:

“I will first check Deleted Items. If the email is not there, I will check whether the mailbox has a Recoverable Items option and whether the organization's retention settings permit recovery.”

Steps:

  • Check Deleted Items.
  • Search the mailbox.
  • Check Recover Deleted Items if available.
  • Verify retention or recovery policies.
  • Escalate to the Exchange administrator if necessary.

Q40. A user wants to send a large attachment. What will you suggest?

Answer:

“I will check the organization's message-size limit. If the attachment is too large, I will suggest sharing the file through OneDrive or SharePoint with the appropriate access permissions.”

Steps:

  • Check attachment size.
  • Check organizational policy.
  • Upload the file to an approved location.
  • Share a secure link.
  • Verify recipient access.

Q41. What is the difference between CC and BCC?

Answer:

“CC means Carbon Copy. Recipients can see the addresses of people in the To and CC fields. BCC means Blind Carbon Copy, where BCC recipients are hidden from other recipients.”

Example: BCC can be used for appropriate bulk communications where recipient privacy must be protected.

Q42. What is the difference between Reply, Reply All and Forward?

Answer:

  • Reply: Sends a response to the sender.
  • Reply All: Sends a response to the sender and other relevant recipients.
  • Forward: Sends the received message to another person.

“I will remind users to check recipients carefully before using Reply All or forwarding sensitive information.”

Q43. A user says emails are going to the Junk Email folder. What will you check?

Answer:

“I will check whether the messages are legitimate and review Junk Email settings, blocked senders, inbox rules, and the organization's email security policies.”

Steps:

  • Verify the sender.
  • Check Junk Email.
  • Review blocked senders.
  • Check inbox rules.
  • Report false positives through the approved process.
  • Escalate if security filtering is involved.

Q44. How do you create an Outlook email rule?

Answer:

“I will create a rule based on the sender, subject, or other supported condition and specify the action, such as moving the email to a folder.”

Steps:

  • Open Outlook rules.
  • Select a condition.
  • Choose an action.
  • Add exceptions if needed.
  • Save and test the rule.

Q45. A user cannot send email to external recipients. What will you check?

Answer:

“I will check whether the user can send emails internally. Then I will check the bounce-back message, external-recipient restrictions, mail-flow policies, and any security controls.”

Steps:

  • Test internal email.
  • Test an approved external recipient.
  • Review NDR details.
  • Check mail-flow restrictions if authorized.
  • Escalate to the Exchange administrator.

 

Section 5: Exchange Online & Microsoft 365 Administration

Q46. What is the Microsoft 365 Admin Center?

Answer:

“The Microsoft 365 Admin Center is a portal used by authorized administrators to manage users, licenses, groups, and certain organization settings.”

Steps:

  • Sign in with an authorized admin account.
  • Open the Microsoft 365 Admin Center.
  • Search for the required user or setting.
  • Make approved changes.
  • Verify the result.

Q47. What is the Exchange Admin Center?

Answer:

“The Exchange Admin Center is used to manage Exchange Online email services, including mailboxes, mail flow, distribution groups, and email-related settings.”

Common tasks:

  • Manage mailboxes.
  • Configure mailbox permissions.
  • Manage distribution lists.
  • Review message trace.
  • Investigate email delivery issues.

Q48. A new employee cannot sign in to Microsoft 365. What will you check?

Answer:

“I will verify the username, account status, license assignment, and authentication requirements. I will also check the error message to determine whether the problem is related to the account, password, or service.”

Steps:

  • Verify username.
  • Check account status.
  • Check license if relevant.
  • Check password and MFA.
  • Review sign-in errors.
  • Escalate if required.

Q49. What is the difference between a distribution list and a shared mailbox?

Answer:

“A distribution list sends an email to a group of recipients. A shared mailbox provides a common mailbox that authorized users can access and manage.”

Example:

  • Distribution list: Sends announcements to a department.
  • Shared mailbox: Allows a support team to manage incoming support emails.

Q50. A user cannot send emails from a shared mailbox. What will you check?

Answer:

“I will verify that the user has the correct sending permission. I will check whether Send As or Send on Behalf permission is required and whether the permission has taken effect.”

Steps:

  • Confirm the shared mailbox.
  • Check sending permissions.
  • Verify the From address.
  • Allow time for permission changes to propagate.
  • Test sending.
  • Escalate if necessary.

Q51. What is the difference between Send As and Send on Behalf?

Answer:

“Send As allows a user to send an email that appears to come directly from the shared mailbox. Send on Behalf displays that the email was sent by the user on behalf of the mailbox.”

Q52. A user cannot access a Microsoft 365 group. What will you check?

Answer:

“I will check whether the user is a member of the group and whether the group provides the required access. I will also check the user's sign-in status and any relevant permissions.”

Steps:

  • Confirm the group name.
  • Check membership.
  • Verify the required access.
  • Add the user if authorized.
  • Test access again.

Q53. How do you check whether a Microsoft 365 service is down?

Answer:

“I will check the Microsoft 365 service health dashboard using an authorized administrator account. I will look for active incidents or advisories affecting the relevant service.”

Steps:

  • Confirm the affected service.
  • Check service health.
  • Review incident details.
  • Inform the relevant team.
  • Follow updates until restoration.

Q54. What is message trace in Exchange Online?

Answer:

“Message trace helps administrators investigate email delivery. It shows whether a message was received, delivered, rejected, or otherwise processed by Exchange Online.”

Information to collect:

  • Sender.
  • Recipient.
  • Approximate date and time.
  • Subject, if available.
  • Delivery status.

Q55. A user's license was removed accidentally. What will you do?

Answer:

“I will confirm the approved license requirements and check the user's current license status. If authorized, I will restore the correct license and verify that the required services are available.”

Important: License changes can affect service availability and data-retention scenarios, so I will follow company procedures before making changes.

Section 5: Microsoft Teams Troubleshooting

Q56. Microsoft Teams is not opening. What will you do?

Answer:

“I will check whether Teams is running in the background, verify internet connectivity, and restart the application. Then I will check for updates and test Teams on the web.”

Steps:

  • Check Task Manager.
  • Restart Teams.
  • Check internet.
  • Update Teams.
  • Test Teams on the web.
  • Escalate if required.

Q57. Teams shows a sign-in error. What will you check?

Answer:

“I will check the exact error, account status, internet connectivity, and MFA requirements. I will also check whether other Microsoft 365 services are working.”

Q58. Teams microphone is not working. How will you troubleshoot?

Answer:

“I will check whether the correct microphone is selected and whether Windows allows Teams to use it. I will test the microphone in Windows settings and check the device connection.”

Steps:

  • Check the microphone connection.
  • Select the correct input device.
  • Check microphone permissions.
  • Test the microphone.
  • Restart Teams.
  • Update the audio driver if necessary.

Q59. Teams camera is not working. What will you check?

Answer:

“I will check whether the camera is connected, whether another application is using it, and whether Teams has camera permission. I will test the camera in Windows settings.”

Q60. A user cannot share their screen in Teams. What will you do?

Answer:

“I will check whether the user has selected the correct screen or window and whether the application has the required permissions. I will also check meeting policies if the issue affects multiple users.”

Q61. Teams calls have poor audio quality. What will you check?

Answer:

“I will check network stability, Wi-Fi signal strength, and microphone or speaker settings. I will also determine whether the problem affects one user or multiple participants.”

Steps:

  • Check network connection.
  • Test wired connectivity if available.
  • Check audio devices.
  • Close unnecessary bandwidth-heavy applications.
  • Test another headset.
  • Escalate network-wide problems.

Q62. A user cannot join a Teams meeting using a meeting link. What will you check?

Answer:

“I will verify the meeting link, sign-in account, meeting time, and access requirements. I will also try joining through the Teams application or web version.”

Q63. Teams notifications are not appearing. What will you do?

Answer:

“I will check Teams notification settings, Windows notifications, Do Not Disturb status, and whether the user is signed in to the correct account.”

Q64. Teams presence shows the wrong status. What will you check?

Answer:

“I will check the user's selected presence status, calendar activity, and application connection. I will restart Teams if necessary and verify whether the status updates.”

Q65. Several users report Teams issues at the same time. What is your approach?

Answer:

“I will check the scope and impact first. If multiple users are affected, I will review Microsoft 365 service health and escalate through the incident process rather than troubleshooting each device separately.”

Section 6: OneDrive & SharePoint Troubleshooting

Q66. OneDrive is not opening. What will you do?

Answer:

“I will check whether OneDrive is running, verify the user's sign-in status, and restart the application. If the issue continues, I will check for application updates or use the approved repair procedure.”

Q67. OneDrive shows a sync error. What will you check?

Answer:

“I will read the exact sync error and check internet connectivity, storage, file permissions, and file-name restrictions.”

Steps:

  • Check the error message.
  • Check OneDrive sign-in.
  • Check available storage.
  • Check file names and paths.
  • Check permissions.
  • Restart synchronization.

Q68. A user cannot upload files to OneDrive. What will you do?

Answer:

“I will check the file size, available storage, internet connection, and whether the file type or name is permitted by company policy.”

Q69. A user accidentally deleted a file from OneDrive. Can it be recovered?

Answer:

“I will check the OneDrive recycle bin and restore the file if it is available and I have the required permissions. If it is not there, I will check the applicable retention and recovery options.”

Q70. A user cannot access a SharePoint site. What will you check?

Answer:

“I will verify the site URL, user sign-in, and site permissions. I will check whether the user has been granted the correct access.”

Steps:

  • Verify the URL.
  • Test Microsoft 365 sign-in.
  • Check site membership.
  • Check access permissions.
  • Escalate to the site owner or administrator if required.

Q71. A user can view a SharePoint document but cannot edit it. What will you do?

Answer:

“I will check whether the user has read-only access or edit permission. I will also check whether the file is locked, checked out, or restricted by policy.”

Q72. OneDrive says the storage is full. What will you do?

Answer:

“I will check the user's storage usage and help identify unnecessary files. I will also check the organization's storage policy and available options before recommending deletion or additional storage.”

Q73. A shared file link is not working. What will you check?

Answer:

“I will verify the link, confirm that the recipient is using the correct account, and check whether the sharing permission or link expiry is causing the problem.”

Q74. A user cannot sync a SharePoint library to their computer. What will you do?

Answer:

“I will check whether the user can open the library online, verify OneDrive sign-in, and check storage and synchronization errors. I will also check whether the library or device has any synchronization restrictions.”

Q75. What is the difference between OneDrive and SharePoint?

Answer:

“OneDrive is primarily used for an individual's work files and sharing. SharePoint is commonly used for team documents, shared sites, and collaborative content management.”

Example:

  • OneDrive: An employee's working documents.
  • SharePoint: A department's shared document library.

Section 7: Microsoft Office Applications Troubleshooting

Q76. Microsoft Word is not opening. What will you do?

Answer:

“I will check whether Word is already running, try opening it in Safe Mode, and check for problematic add-ins. If the issue continues, I will repair Office.”

Steps:

  • Check Task Manager.
  • Run winword /safe.
  • Test Word.
  • Disable problematic add-ins.
  • Repair Office if necessary.

Q77. Excel crashes when opening a specific file. What will you check?

Answer:

“I will determine whether the issue affects one file or all Excel files. I will try opening Excel in Safe Mode and test whether the file can be opened on another computer.”

Steps:

  • Test another Excel file.
  • Start Excel in Safe Mode.
  • Check add-ins.
  • Try the file on another device.
  • Use file recovery options if required.

Q78. Office applications show “Unlicensed Product.” What will you do?

Answer:

“I will check whether the user is signed in with the correct work account and whether the assigned license includes the relevant Office applications. I will also check subscription status and activation connectivity.”

Q79. How do you repair Microsoft Office?

Answer:

“I will use Windows installed-app settings to access Microsoft 365 or Office repair options. I will start with Quick Repair and use Online Repair if required and permitted by company procedure.”

Steps:

  • Open Installed Apps.
  • Select Microsoft 365 or Office.
  • Open Modify or repair options.
  • Run Quick Repair.
  • Test the application.
  • Run Online Repair if necessary.
  • Online Repair may require internet connectivity and can take longer.

Q80. Office applications are asking the user to activate repeatedly. What will you check?

Answer:

“I will verify the user's account, assigned license, activation status, and connectivity. I will also check whether the user has exceeded applicable activation limits or is using an unsupported installation.”

Q81. A user cannot save a Word document. What will you check?

Answer:

“I will check the destination folder permissions, available storage, file name, and whether the file is open or locked elsewhere. I will test saving to another approved location.”

Q82. Excel formulas are not calculating automatically. What will you do?

Answer:

“I will check whether Excel calculation is set to Manual. If it is, I will change the calculation option to Automatic and recalculate the workbook.”

Q83. A user cannot print from Word or Excel. What will you check?

Answer:

“I will test printing from another application. If printing fails everywhere, I will troubleshoot the printer. If it fails only in Word or Excel, I will check application settings, the document, and Office repair options.”

Q84. A user cannot open a shared Office document. What will you check?

Answer:

“I will check the file location, permissions, sign-in account, and whether the file is corrupted or locked. I will also try opening it through the appropriate web application.”

Q85. Office applications are outdated. How will you update them?

Answer:

“I will check the current Office version and update settings. I will follow the organization's deployment policy, because managed devices may receive Office updates through centralized management.”

Section 8: Microsoft 365 Account, Identity & Security

Q86. What is Microsoft Entra ID?

Answer:

“Microsoft Entra ID is Microsoft's cloud identity and access management service. It helps organizations manage user identities, authentication, and access to applications.”

Q87. What is Conditional Access?

Answer:

“Conditional Access allows an organization to apply access rules based on conditions such as the user, device, location, application, and sign-in risk.”

Example: An organization may require MFA for particular applications or restrict access from untrusted devices.

Q88. A user cannot complete MFA. What will you do?

Answer:

“I will verify the user's identity, check the exact error, and confirm that the user has access to the registered authentication method. I will follow the authorized recovery process without bypassing security controls.”

Q89. A user has left the company. What Microsoft 365 actions may be required?

Answer:

“I will follow the approved offboarding checklist. Depending on my permissions, this may include blocking sign-in, revoking sessions, handling licenses, and arranging mailbox and file access according to company policy.”

Important: I will confirm data-retention and handover requirements before removing licenses or deleting accounts.

Q90. A user reports a suspicious sign-in notification. What will you do?

Answer:

“I will treat it as a possible security incident. I will verify the report, notify the security team, and follow the approved account-protection process.”

Steps:

  • Verify the user's identity.
  • Record the alert details.
  • Report to security.
  • Follow instructions to secure the account.
  • Review relevant sign-in activity if authorized.

Q91. A user cannot access an application because of Conditional Access. What will you check?

Answer:

“I will capture the error and correlation details if available. I will check whether the user, device, location, or authentication requirements are causing the block and escalate to the identity administrator.”

Q92. What is the principle of least privilege?

Answer:

“It means giving users and administrators only the permissions required to perform their responsibilities.”

Interview example: I will not request global administrator access to perform a routine password reset if a more limited role is sufficient.

Q93. Why should administrators use separate admin accounts?

Answer:

“Separate administrative accounts reduce the risk of privileged access being exposed through everyday activities such as browsing email or opening attachments.”

Q94. What is a service request versus an incident?

Answer:

“A service request is a request for a standard service, such as software installation or access. An incident is an unplanned interruption or degradation of an existing service.”

Q95. What details should be included when escalating a Microsoft 365 issue?

Answer:

“I will provide the affected user, service, error message, time of occurrence, business impact, troubleshooting performed, and relevant screenshots or logs, following data-protection policies.”

Section 9: Real-World End User Support Scenarios

Q96. A VIP user cannot send email before an important meeting. What will you do?

Answer:

“I will assess the urgency and business impact, check Outlook connectivity, and test webmail. If the issue cannot be resolved immediately, I will identify a suitable workaround and keep the user informed.”

Q97. A user reports that an email containing sensitive information was sent to the wrong recipient. What will you do?

Answer:

“I will treat this as a potential data-security incident. I will inform the security or privacy team immediately and follow the company's incident response process. I will not assume that deleting the email from Sent Items will recall it.”

Q98. A user's Outlook works on the web but not on the desktop. What does this indicate?

Answer:

“It suggests that the mailbox service and account are probably working, so I will focus on the desktop application, profile, add-ins, cached data, or local configuration.”

Q99. Outlook works on the desktop but not in the browser. What will you check?

Answer:

“I will check the browser, sign-in session, cookies or site data as appropriate, and any browser extensions or access policies. I will also verify whether Outlook on the web is affected by a service incident.”

Q100. A user can receive emails but cannot send them. What will you check?

Answer:

“I will check the Outbox, recipient address, attachment size, and error messages. Then I will test sending a simple email and check whether the problem is caused by mailbox permissions or an organizational mail-flow restriction.”

Q101. A user can send emails but cannot receive them. What will you check?

Answer:

“I will check the mailbox storage, Junk Email, inbox rules, and whether the messages are being delivered to the mailbox. If necessary, I will request a message trace from the Exchange administrator.”

Q102. Outlook is showing old emails and not updating. What will you do?

Answer:

“I will check Outlook's connection status and compare the mailbox with Outlook on the web. If the web mailbox has the latest messages, I will investigate synchronization, cached mode, and the local Outlook profile.”

Q103. A user cannot open an encrypted email. What will you check?

Answer:

“I will verify the sender, recipient account, sign-in status, and the instructions included with the encrypted message. I will also check whether the recipient needs a supported authentication method or permission.”

Q104. A user says a colleague cannot see their calendar. What will you do?

Answer:

“I will check the calendar-sharing permissions and verify which calendar was shared. I will also confirm that the colleague is using the correct account and allow time for permission changes to take effect.”

Q105. A user has accidentally shared a OneDrive file with the wrong person. What will you do?

Answer:

“I will follow the organization's data-protection process. If authorized, I will remove the incorrect sharing permission or revoke the link, verify access, and report the incident if sensitive data may have been exposed.”

Section 10: Troubleshooting Tools & Practical Administration

Q106. What is the Microsoft 365 Apps sign-in or activation troubleshooter used for?

Answer:

“It helps investigate common Microsoft 365 Apps activation and sign-in problems. I will use the approved Microsoft troubleshooting tools available in the organization's environment.”

Q107. What is the purpose of Event Viewer?

Answer:

“Event Viewer records Windows application, system, and security events. I can use it to investigate application crashes, service errors, and other system problems.”

Q108. How do you check whether Outlook is running in the background?

Answer:

“I will open Task Manager and check the running processes for Outlook. If Outlook is stuck, I will follow the support procedure before ending the process and reopening it.”

Q109. Why would you test Outlook on the web during troubleshooting?

Answer:

“It helps me separate a desktop application problem from a mailbox or service problem. If Outlook on the web works normally, I will focus first on the desktop application and local configuration.”

Q110. What is the purpose of Microsoft Support and Recovery Assistant or other Microsoft troubleshooters?

Answer:

“These tools can help diagnose supported Microsoft 365, Outlook, and Office problems. I will use the currently supported troubleshooting options and follow company policy.”

Tool availability and support can vary by operating system and Microsoft product version.

Q111. How would you troubleshoot an Office application that crashes repeatedly?

Answer:

“I will identify whether the issue occurs with one file or every file. I will check updates, add-ins, Event Viewer, and application repair options. I will collect diagnostic information if the problem continues.”

Q112. A user receives a “You don't have permission” error in Microsoft 365. What will you do?

Answer:

“I will verify that the user is signed in with the correct account and has the required access. I will check group membership, sharing permissions, and organizational policies before escalating.”

Q113. How do you check the version of Outlook or Office?

Answer:

“In classic Outlook, I can open File → Office Account → About Outlook. In other Office applications, I can use the corresponding Account or About section. I will record the version when reporting compatibility issues.”

Q114. What will you do if Microsoft 365 applications are not activating after a password change?

Answer:

“I will verify the user's sign-in status, assigned license, and current authentication session. I will ask the user to sign in again using the approved process and check for activation errors.”

Q115. A user cannot install an Office update. What will you check?

Answer:

“I will check the error message, internet connectivity, available disk space, update settings, and whether the device is managed by the organization. I will follow the approved update or software deployment process.”

Section 11: IT Manager Behavioural & Troubleshooting Scenarios

Q116. How do you prioritize multiple Outlook and Microsoft 365 tickets?

Answer:

“I prioritize based on business impact, urgency, number of affected users, and SLA requirements. A widespread email outage takes priority over a minor issue affecting one user when that user has a suitable workaround.”

Q117. How do you handle a user who repeatedly reports the same Outlook problem?

Answer:

“I will review the ticket history and previous troubleshooting. Then I will look for the root cause rather than repeating the same temporary fix. If necessary, I will escalate for deeper investigation.”

Q118. What will you do if you do not know the solution to a Microsoft 365 issue?

Answer:

“I will be transparent about what I have checked. I will use approved documentation and troubleshooting tools, avoid unauthorized changes, and escalate the issue with complete findings if required.”

Q119. How do you communicate an ongoing Microsoft 365 outage to users?

Answer:

“I will share confirmed information about the affected service, user impact, available workaround, and next update. I will avoid giving an unconfirmed restoration time.”

Q120. What is root-cause analysis?

Answer:

“Root-cause analysis is the process of identifying the underlying reason an issue occurred, rather than only treating the symptoms.”

Example: If Outlook repeatedly disconnects because a network device is unstable, fixing the underlying network issue is better than repeatedly recreating the Outlook profile.

Q121. How do you prevent recurring Outlook problems?

Answer:

“I will identify recurring patterns from ticket history, document the root cause, and implement approved corrective actions. These might include updating Office, fixing a configuration issue, or improving user guidance.”

Q122. What is the difference between a workaround and a permanent fix?

Answer:

“A workaround temporarily allows the user to continue working. A permanent fix addresses the underlying cause.”

Example: Using Outlook on the web is a workaround for a desktop Outlook issue. Repairing the underlying desktop application problem may be the permanent fix.

Q123. How do you measure good performance in end user support?

Answer:

“I look at SLA compliance, first-contact resolution, customer satisfaction, ticket quality, repeat incidents, and the quality of troubleshooting and documentation.”

Q124. What should you do before making a change to a user's Microsoft 365 account?

Answer:

“I will verify the request, the user's identity where appropriate, my authorization, and the potential impact. I will follow change-control and company procedures and verify the result after the change.”

Q125. Why should an IT Manager select you for an End User Support role?

Answer:

“I have a structured approach to troubleshooting and focus on minimizing user downtime. I start with basic checks, isolate the root cause, communicate clearly, and document my work. I also understand when to resolve an issue myself and when to escalate it to the correct team.”