Using older versions of Outlook for Mac for personal email and calendar
Dear Prasad Nara,
Good day! Thank you for posting to Microsoft Community. We are happy to assist you.
Based on your description, I understand that you are having trouble sorting flagged emails by due date in Outlook for Mac. I'll be happy to assist you with this.
I'm sorry to inform you that sorting flagged emails by due date is not currently available in the new version of Outlook for Mac.
However, thank you so much for bringing this to our attention, your suggestion is very helpful, and I believe it could make the use of Outlook even better. We will surely raise your concerns to our Product Development Team and hopefully this can be included in the future updates.I recommend you reach out to our dedicated support for new Outlook for Mac:
There are various ways to report issues and provide feedback to help improve the experience.
Contact Support
Please report issues usingContact Supportin the Help menu.

After opening a support request, a help icon will appear next to theNew Outlookswitch to provide easy access to the current request.

Additionally, when a support agent provides a response, a red badge will appear on the help icon along with the macOS notification.


Feature requests
Please vote for feature requests usingGive Feedbackin the Help menu.
For more information about new Outlook for Mac, please refer to: The new Outlook for Mac - Microsoft Support.
At the same time, I will try to find more information, if I find any useful work around, I will update this thread to let you know.
Thank you for your time and understanding. For other questions, feel free to add your post in the Microsoft Community team.
Stay safe and healthy. Have a good day!
Sincerely,
Sherry | Microsoft Community Moderator