Hi @Brad D,
Welcome to the Microsoft Q&A forum.
To resolve this issue, please follow the steps below:
- Check Outlook status Please ensure that Outlook is working normally and that no unusual error messages are displayed.
- Check if Work Offline mode is enabled
- Click Send/Receive > Work Offline.
- If Work Offline mode is enabled, please disable it.
- If it is already disabled, please enable it temporarily, then disable it again and check if the issue persists.
- Click Send/Receive > Work Offline.
- Clear Outlook cache
- Step 1: Close Outlook completely.
- Step 2: Press Windows + R.
- Step 3: Enter the following path and press Enter: %localappdata%\Microsoft\Outlook\RoamCache
- Step 4: Press Ctrl + A to select all files, then delete them.
- Empty the Deleted Items folder Please check and permanently delete all emails in the Deleted Items folder.
- Create a new Outlook profile To create a new Outlook profile, please follow the steps below:
- Step 1: Close Outlook completely.
- Step 2: Open Control Panel > Mail (Microsoft Outlook).
- Step 3: Click View Profiles > Add, then create a new profile.
- Step 4: Select the newly created profile and choose Always use this profile.
- Remove and reassign the license from the account Note: This step requires admin rights in the tenant. If you do not have these rights, please contact your IT department for assistance.
- Step 1: Go to admin.microsoft.com.
- Step 2: Click Users > Active users, then select your account.
- Step 3: Click Licenses & Apps.
- Step 4: Uncheck Exchange Online, then check it again to reassign the license.
I hope this information is helpful. Please follow the steps above and let me know if the issue is resolved. If not, I will continue working with you to identify and resolve the problem.
Thank you for your patience and understanding. If you have any questions or need further assistance, please feel free to share them in the comments so that I can continue to support you.
I look forward to your update.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.