Issues with Deploying Outlook & Excel Add-in

Issues with Deploying Outlook & Excel Add-in

I am having difficulty deploying SAP's Outlook and Excel Add-on. They are both .exe files and when I try to click Install through the self service portal I get the following error:

"This installation package could not be opened. Verify that the package exists and that you can access it, or contact the application vendor to verify that this is a valid Windows Install package."

I am able to install these .exe files locally on my computer. I also don't have any issues with deploying other .exe files.

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