Distribution lists in Outlook make it easy to send emails to a large list of pre-defined internal contacts. This article will instruct you how to edit this list in Outlook 2010, however it will be similar for Outlook 2013.
Note: To edit a distribution list in Outlook, you must first be given privileges to do so. Contact Simplifying IT if you are unsure or wish to be able to edit yours.
1. Open Outlook 2010
2. Select the Address Book in the upper right corner of the Outlook menu.
5. The Contact Group Membership window will appear.
o To remove a member, select the member from the list and click Remove.
o To add a member, click the Add… button. Then search for the person you want to add.
7. When you are done making changes to your distribution list, click OK. Then click Apply and OK. You may then close the Address Book window.