NOTE: THE PERSON THAT CREATES THE Group IS THE ONLY ONE THAT CAN MANAGE IT UNLESS YOU HAVE GIVEN EDIT RIGHTS TO ANOTHER INDIVIDUAL.
Go to People 
in your Outlook Mailbox
Click on New Contact in the upper left
corner:
In the Pop Up window, name your Contact List, add the email
addresses and fill in the description. Please be aware that your DL email
addresses are NOT saved to your contacts, they only save to the DL.
To remove a
member or edit the group list:
Go to People:
Choose “Your Contact Lists” and choose the Group you would like to edit.
Click
Edit on the right side of your Group screen:
Rename, add members, remove members and
update the description. Press save.
