This article was previously published under Q164625
Retired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
IMPORTANT: This article contains information about editing the registry.Before you edit the registry, you should first make a backup copy of theregistry files (System.dat and User.dat). Both are hidden files in theWindows folder.
In Microsoft Outlook you can add new categories to the default MasterCategory List. This article describes how to share a modified MasterCategory List with other users.
To share the Master Category List, you must export the Categories keyfrom the registry and distribute this key to other users.
WARNING: Using Registry Editor incorrectly can cause serious problems thatmay require you to reinstall Windows 95/98. Microsoft cannot guarantee thatproblems resulting from the incorrect use of Registry Editor can besolved. Use Registry Editor at your own risk.
For information about how to edit the registry, view the Changing Keys AndValues online Help topic in Registry Editor (Regedit.exe). Note that youshould make a backup copy of the registry files (System.dat and User.dat)before you edit the registry.
Click the Categories folder and on the Registry menu click Export Registry File.
Select a location for the file such as the Desktop or a diskette; type a name for the file such as "Categories" then click Save.
You can now distribute the file to other users. To update the registry onanother computer, double-click the <file name>.reg file and the newcategories will replace the Categories list in Outlook.
CAUTION: This procedure will overlay the existing Master Categories List onthe receiving computer. Any changes made to that file will be lost.
NOTE: It is possible for your records to contain user-defined Categoriesthat are not stored in the Windows registry. To ensure they are in theregistry, you must add them to the Master Category List.
To Add User-defined Categories to the Master Category List
Click Edit on the File menu and click Categories or in a new Mail, Appointment, Contact, Task, or Journal item, click the Categories button.
In the Category dialog box, type a name for the new Category.
Click Add To List.
NOTE: For more information about how to restore the default Master CategoryList in Outlook, type "Master Category List" in the Office Assistant, clickSearch, and then click "Reset the Master Category List."