That depends on your Outlook version and the format of the addresses that
are in the address field of the message. With Outlook 2003 you can copy the
contents of the address field and paste them into the "members" field of a
new Distribution List, but Outlook will only be able to create a DL if the
addresses are in the format of Familiar Name [email address]. In other
words, the address must contain both a name and email address before Outlook
can use the information to create a DL.
The Help File tells you how to do it:
1.. In the e-mail message you want to copy the names from, select the
names in the To or Cc box
2.. On the Edit menu, click Copy.
3.. On the File menu, point to New, and then click Distribution List.
4.. In the Name box, type a name for the distribution list.
5.. Click Select Members.
6.. In the Add to distribution list, right-click, and then click Paste on
the