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(v2) The add-in installer cannot find outlook
(v2) The add-in installer cannot find outlook
Reg Gray avatar
Written by Reg Gray
Updated over a week ago

The add-in installer cannot find outlook

If the add-in installer fails by saying outlook isn't installed, even thoguh outlook is installed, it can be because the Regedit isn't updated with the correct path. Here is how to update Regedit with the correct path so the installer can find and verify that outlook is installed.

It is always recommended that you make a backup before editing Regedit

  • Open regedit

  • Click "start"

  • Search for "regedit"

  • Click "regedit"
    (the option does not appear until you have written the entire word)

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  • Create a backup

  • Click "File"

  • Click "Export"

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- _Select_ "Export range" "All"
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- _Give_ the file a name
- _Click_ "Save"

Outlooks install path is usually here

\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\16.0\Outlook\InstallRoot -> Path

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The path has to correspond to where outlook is installed. If it doesn't, you have to edit it.

  • Right click "Path"

  • Choose "Modify"

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  • Find out where outlook is installed on your machine.
    On my machine it was C:\Program files\microsoft office\root\office16 making this the correct string, but your office might be installed elsewhere on your machine and have a different correct string.

  • Insert the correct string.

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