Q. I work for a very large company and I don't have enough space on my C drive for the Offline Address Book that Outlook stores. Can I move it?

John Savill

April 16, 2010

1 Min Read
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A. Wow, that's a big company . By default, the Offline Address Book (OAB) resides in %USERPROFILE%AppDataLocalMicrosoftOutlookOffline Address Books. You'll see six different OAB files that contain the address book's content.

If you need to change this location, you can update a registry value, as outlined here.

  1. Close Outlook.

  2. Start the registry editor (regedit.exe).

  3. Move to HKEY_CURRENT_USERSoftwareMicrosoftWindows NTCurrentVersionWindows Messaging SubsystemProfiles13dbb0c8aa05101a9bb000aa002fc45a.

  4. From the Edit menu, select New, DWORD value.

  5. Enter a name of 001e660e and press Enter.

  6. Double-click the new value and set it to the new path for the OAB, then click OK.

Close the registry editor and restart Outlook.

About the Author

John Savill

John Savill

https://savilltech.net

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