One person has all the email addresses for a group of people and they want to share their Distribution List.  Follow the instructions below to share this Distribution List.

1.  Create the Distribution List.  (View those specific instructions if necessary prior to this one)
2.  Open the Distribution List.
3.  Click on Action, Forward, and email to person(s).

The person receiving the Distribution List, will click and drag the attachment into their Contacts.