Many Outlook users complained about read emails converting back to Unread status.
Restarting Outlook doesnt always solve the issue.
Lets explore what else you’ve got the option to do to fix this problem.
Wait for thirty seconds and then mark it as Read.
see if this quick workaround solves the problem.
Hopefully, the web app is not affected by this issue.
Start Outlook in Safe Mode
If Outlook works as expected in Safe mode, disable your add-ins.
Some of your add-ins might be interfering with your inbox.
Update Office
ensure youre running the latest Office version on your equipment.
Repair Office
Outlook is part of the Office Suite.
Additionally, start Outlook in Safe mode and disable all add-ins.
If the problem persists, update and repair Office, and reinstall Outlook.
