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  1. #1
    New Lounger
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    Invalid addin (2000)

    After changing from 98SE to Windows 2000 Professional, I receive an error message when I start Outlook. I used the Profile Wizard to transfer Office 2000 settings. I had to adjust some settings in Outlook, but it works fine except for the error. The error states that Outbak.dll is not a valid Office add-in. I went to add-ins in Outlook, but no add-ins were listed. I also went to my C drive (Win 2000 is on my E drive along with Office 2000) and moved Outbak.dll to a temp folder. That did not help. Any ideas?

  2. #2
    Platinum Lounger
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    Re: Invalid addin (2000)

    find and delete extend.dat.

    When you copied the profile, you moved registry entries for an addin that was not installed on the new system. The information is stored in extend.dat and outlook will create a new one, without the addin mentioned.

  3. #3
    New Lounger
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    Re: Invalid addin (2000)

    Thanks for your quick reply. I deleted extend.dat, but I still get the same error message when I open
    Outlook. The attached file is a screen capture of the error message. Thanks!
    Attached Images Attached Images

  4. #4
    Platinum Lounger
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    Re: Invalid addin (2000)

    if it's not listed in either addin section of tools | options and extend.dat does stop it, you'll need to edit the registry to remove the key.


    HKEY_CURRENT_USERSoftwareMicrosoftWindows NTCurrentVersionWindows Messaging SubsystemProfiles
    search your profile for the dll name and delete the key.

  5. #5
    New Lounger
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    Re: Invalid addin (2000)

    I did a search in the registry for the dll (outbak.dll). There is no outbak.dll key in the registry.

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