I update my office's shared Outlook calendar that's located on our network.
I have tried to add holidays to this calendar, but when I go through the
steps, it only adds the holidays to my personal calendar.
Copy or move them to the shared calendar. You'll find the By Category view
helpful.

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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 update my office's shared Outlook calendar that's located on our network.
> I have tried to add holidays to this calendar, but when I go through the
> steps, it only adds the holidays to my personal calendar.