That is determined solely by your mail server provider, not Outlook. Ask
them.

Signature
Russ Valentine
[MVP-Outlook]
> What is the maximum # of entries that can be added to a personal
> distribution
> list in Contacts? And, can that number be modified anywhere?
In a contacts folder in an Exchange mailbox or public folder, about 120.

Signature
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> What is the maximum # of entries that can be added to a personal distribution
> list in Contacts? And, can that number be modified anywhere?
kay - 10 May 2007 22:25 GMT
Thanks, Sue. Do you know if that is a configurable parameter?
> In a contacts folder in an Exchange mailbox or public folder, about 120.
>
> > What is the maximum # of entries that can be added to a personal distribution
> > list in Contacts? And, can that number be modified anywhere?
Sue Mosher [MVP-Outlook] - 10 May 2007 22:51 GMT
It is not.

Signature
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> Thanks, Sue. Do you know if that is a configurable parameter?
>
>> In a contacts folder in an Exchange mailbox or public folder, about 120.
>>
>> > What is the maximum # of entries that can be added to a personal distribution
>> > list in Contacts? And, can that number be modified anywhere?
klamm - 10 May 2007 23:12 GMT
Thanks, again.
> It is not.
>
[quoted text clipped - 5 lines]
> >> > What is the maximum # of entries that can be added to a personal distribution
> >> > list in Contacts? And, can that number be modified anywhere?