Manage distribution groups
Visit the link : https://outlook.office.com/mail/options/general/distributionGroups and if prompted sign in using your SDN credentials. Manage distribution groups show the distribution groups that you’re listed as an owner of. Use it to manage existing groups that you own.
To edit a group or review information about a group:
- Select Settings Settings icon > Options > Groups > Distribution groups I own.
- In the dialog box, select the group you want to edit. You can search for a group by typing all or part of its name in the search window, and then selecting the search icon-search. To clear the search results, select Clear discard.
- Select Edit edit.
- Make the changes you want.
- Select Save to save your changes, or Cancel to leave without saving.
If you can't change these settings then please raise a service request (Raise a Service Request > User Profile > Distribution List Changes OR https://sdn.freshservice.com/support/catalog/items/77)