Can't open files from Teams in Office desktop app

Anonymous
2020-02-28T23:53:23+00:00

I've been using MS Teams to work with PowerPoint and Excel documents with the option Open in desktop app. Until a few weeks ago  when I try to open a document with the option open desktop app I get the launching window of the app (any office app like Excel, Powr Point, Word, etc.) but it doesn't start anything. This is with all the files I try. I haven't made changes to my settings or anything. I have tried to clear the cache in the Teams Folder and I have checked that the apps are linked to the right file types but nothing works. I also have looked on the official site for help and in this community but I can't find any fixes that solve this.

Microsoft Teams | Microsoft Teams for business | Other

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  1. Anonymous
    2021-05-30T22:07:35+00:00

    Hello,

    I started experiencing the same problem. I tried clearing the cache and applying the register changes described by USMA56795 . It seems to help for a moment and then the things returned to normal (or abnormal). The problem appears only in the Windows app, not in the web client.

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  2. Anonymous
    2021-05-29T03:29:37+00:00

    Hi,

    I have these definitions in the Registry but Word and Excel will not open the App. PowerPoint is fine. This is really frustrating. The funny thing, it doesn't happen to everybody in the company thus my IT support keeps saying the problem is with my laptop.

    Thanks for your help.

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  3. Anonymous
    2021-05-12T21:42:52+00:00

    I figured out how to solve this.

    1. Open the Registry Editor (Start > Run > regedit.exe)
    2. In the registry, go to Computer\HKEY_CLASSES_ROOT\PowerPoint.UriLink.16
    3. You should see the following sub-keys--which the Registry Editor displays as folders: shell\open\command
    4. If those keys (folders) don't exist, create them.
    5. In the command key, set the following values:
      1. Name = (Default)
      2. Type = REG_SZ
      3. Data = C:\Program Files\Microsoft Office\Root\Office16\protocolhandler "%1"

    The desktop version of PowerPoint should now open when you select "open in desktop app" from SharePoint and Teams.

    This works for Word and Excel as well, though the registry links are the below instead:

    1. Computer\HKEY_CLASSES_ROOT\Excel.UriLink.16
    2. Computer\HKEY_CLASSES_ROOT\Word.UriLink.16

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  4. Anonymous
    2021-05-04T09:27:30+00:00

    Hi Marvin,

    Especially the second part of your reply (clear the cache) solved the problem.

    Thanks,

    ****

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