Hi Ananda,
How about starting your Outlook in online mode?
Given this situation, it is suggested to recreate your OST files.
Besides, please try exiting Outlook desktop client and see if the issue can be reproduced on the web mail.
Hope this can be helpful.
Regards,
Aidan Wang
Please remember to
mark the replies as answers if they helped. If you have feedback for TechNet Subscriber Support, contact
tnsf@microsoft.com.
Click
here to learn more. Visit the dedicated
forum to share, explore and
talk to experts about Microsoft Teams.