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Outlook 2003 Upgrade

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I upgraded outlook 2000 to 2003 on a Windows XP machine and now outlook will not open. This is the error reported:

Faulting application outlook.exe, version 11.0.5510.0, stamp 3f1380f0, faulting module outllib.dll, version 11.0.5608.0, stamp 3f35d24e, debug? 0, fault address 0x0002d848.

Everytim outlook opens it reports and error and wants to restart.

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by omnicef

1. Quit all programs.
2. On the Windows Taskbar, click Start, point to Find and click Files or folders.
3. In the Named box, type extend.dat.
4. In the Look in list, click to select your hard drive.
5. Click to select Include subfolders and click Find Now.
6. In the Name list, right-click the file Extend.dat, and on the context-sensitive menu, click Rename to rename the file to Extend.old.
7. On the File menu, click Close to exit Find File.
8. Restart Outlook. Restarting Outlook recreates a new Extend.dat file.

by stzapatka

Along with the extend.dat file, which controls the extension loaded with Outlook from the registry, you may want to search for outcmd.dat, and renamed it in the same way. Outlook will rebuild this file also. The outcmd.dat file controls andy toolbar changes that have been made

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