Microsoft Outlook Error Cannot Open Extend.dat
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Guest When I open Outlook 2003 I get an error message saying: An extension filr failed to initialize. Can't open the file: extend.dat. It also says the file http://www.pcreview.co.uk/threads/i-am-getting-a-extend-dat-error-when-i-open-outlook-why.865417/ may not exist. How do I correct this problem? Guest, Mar 24, 2005 #1 Advertisements neo [mvp outlook] Guest Might want to check this location under Windows 2000/XP. \Documents and Settings\