Outlook 2000  Error Opening Attchment File Message

Posted on 2004-10-22
Last Modified: 2010-04-08

I'm using Outlook 2000 and when I try to open an .xls attachment a blue box comes up saying error opening file. I can open up word attachments just fine from within Outlook. If I save the file to my c drive then I can open Excel and then open the file just fine. How can I fix this?

Question by:namylg
    LVL 49

    Expert Comment

    Hi namylg,

    open my computer
    go to tools --> folder options --> file types
    scroll down to the file type that you are working ..
    click on it to enable it
    click on advanced
    go to edit and uncheck "confirm open after download"
    press OK

    close and open outlook
    now see if there is any difference


    Author Comment


    I followed the steps above & it was already unchecked. Any more ideas?

    LVL 49

    Accepted Solution


    May be security update issue

    Description of attachment security features of Outlook 2000 in Office 2000 Service Release 1/1a;en-us;259228&sd=tech

    If you see blocking of XLS in registry , remove it and see if that would help

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