You've removed the "Go to the earlier version" option from Outlook Web App. Now how are my users expected to administer the Distribution Groups they own?

Hi,

This is the forum to discuss questions and feedback for Microsoft Office client. For Outlook Web App for Office 365 related questions, I would suggest you to post in the dedicated forum of Office 365 Community, where you can get more experienced responses:

http://community.office365.com/en-us/f/158.aspx

The reason why we recommend posting appropriately is you will get the most qualified pool of respondents, and other partners who read the forums regularly can either share their knowledge or learn from your interaction with us. Thank you for your understanding.

Regards,

Ethan Hua
TechNet Community Support