XCLN: How to Move the Location of an OST File

When you configure a Microsoft Exchange client to use Offline Folders, by default the OST file will be created in the Windows directory. After an OST has been created, it can be moved by following these steps:

1. Exit and Log Off the Microsoft Exchange client.
2. Using the Windows File Manager or Explorer, locate the existing OST file, usually in the Windows directory.
3. Move the OST file to the new location.
4. Start the Microsoft Exchange client, either online or offline.
5. The following message will be displayed:
   The file C:\Windows\Exchange.OST could not be found.
   Click OK.
6. The Offline Folder Settings dialog box will be displayed. Click Browse and select the OST file in the new location.
7. Click OK.

The Microsoft Exchange client is now properly configured to work with the OST file in the new location.

The location of the OST file can be set prior to installing the Microsoft Exchange client by modifying the Default.prf file located in the installation directory. For more detailed information about using the Setup Editor and Default.prf, please see the following article in the Microsoft Knowledge Base: In the section titled Microsoft Exchange Server, add an entry similar to the following:

This will create an Exchange.ost file in the C:\Ostpath directory during setup.