Using Classic Outlook on Windows for personal email, calendar, and contact management
Hello Shawn,
Good day!
Thanks for posting in Microsoft Community. We are happy to help you.
For us to better help assist you, please share the following information as it will help with providing the necessary suggestion:
-May I have the screenshot of the group settings from outlook client
-May I know the type of the group (O365 group, Distribution group, email security group or share mailbox etc.)
-From where did you create the group (In outlook, or your Admin center)
-May I know the version of your outlook and your subscription
To narrow it down please try the following: Can you try to reproduce the issue, using the outlook on the web.
We look forward to hearing from you soon
Sincerely,
Eben-Ezer Tres | Microsoft Community Moderator