DLs in an Exchange mailbox are limited to about 120 items. I don't know any
way to edit one that somehow got over the limit.
Yet another reason DLs tend to be more trouble than they're worth,
especially when it's so easy to do a mail merge with Word and ensure that
each person gets an individual message.

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Sue Mosher, Outlook MVP
Author of
Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
>I have two distribution lists in Outlook 2003 with Exchange 2000 SP3 that I
> cannot edit. One has 143 contacts and the other 121. I have other
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> work fine. How can I edit these 2 distribution lists. I have already
> recreated these 2 lists once and don't want to do it again. Thanks,