Click "View all outlook settings" at the bottom of the navigation column
Click "General" on the left
Click "Distribution groups" from the center navigation column
On the right, you will see the distribution groups that you own. To modify a list, you may click it and click the pencil icon above it
Please do not modify any settings in the general section.
To add owners, click the "+" icon and add a user as you would a member (I will show this in the next few step)
To add members, click the "+" icon in the members section
Then select "Default Global Address list" on the left, enter the name or email address of the user in the search field and click the "+" icon next to their name. You may search for an add additional members as well. When you are done adding members, you my click save in the bottom right
To remove members, click the user's name in the list and click the minus button at the top of the list.
