Remove Names From Contact Group. Click Manage List in the top right then select Edit List. Tap the Info button then swipe left over the name of the person you want to remove.

In the Address Book window select the distribution list. Double-click the contact group to open it. From the sidebar hover over the group label you wish to delete and click the Delete label icon trashcan.
To remove a member tap on the red remove - icon next to the member.
Open Contacts for me. Open the Outlook desktop app and select the Home tab then select Address Book. On the Navigation bar click People to view your contacts. Double-click the contact group to open it.