Extend.dat Error in Outlook 2007

[Guest]

Hello All,

I just installed Office 2007 and when I open Outlook 2007 I receive he
following error. " An extension failed to initialize. Cannot open file:
extend.dat. The file may not exist, you may not have permission to open it,
or it may be open in another program. Right-click the folder that contains
the file, and then click Properties to check your permissions for the folder.
You don't have appropriate permission to perform this operation." If I hit
OK I can get into Outlook but then it tells me my data files wasn't closed
properly and it is checkin to make sure there weren't any errors.

I can't seem to find where I can change permissions on the file properties.

Any help you can give is greatly appreciated.

 

[Guest]

Close Outlook, search your hard drive for the extend.dat file (make sure you
search within hidden folders), and rename it to extend.old. When you reopen
Outlook, all should be well.

--
Jocelyn Fiorello
MVP - Outlook

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