Outlook Mac removed manual sideloading of add-in

JavaDeveloper-4738 10 Reputation points
2024-05-22T19:45:49.8433333+00:00

I want to manually side load to Outlook for Mac the manifest.xml for an add-in I am writing. Last week, selecting "Get Add-ins" from the ellipsis menu (...) opened a dialog as described in Sideload Manually. Today, May 22nd, 2024 this selection opens Microsoft AppSource in my browser, and I see no place upload the manifest.xml.

The problem seems to be with the latest Outlook Mac, 16.85.1 (24051916), which updated earlier today. The previous version, 16.84.2, worked at described the docs. Not now. How can I load and run my local add-in?

Office
Office
A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.
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  1. Mike McCaman 0 Reputation points
    2024-05-28T00:51:20.9+00:00

    Similar issue here, though not with sideloading, but with needing to disable and re-enable an Add-In. Get Add-Ins takes me to the AppSource site with no way of managing my existing add-ins.

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  2. JavaDeveloper-4738 10 Reputation points
    2024-05-30T14:58:32.1633333+00:00

    A coworker using the Windows Outlook client stumbled on section about sideloading that says to open the URL https://aka.ms/olksideload. This URL opens Outlook in the browser and displays the add-ins dialog. This URL is not documented in the help for macOS Outlook, which still shows the old technique.

    The discovery of this URL was dumb luck--the help topics displayed in my coworker's Windows Outlook are different from the help topics displayed in my Windows Outlook, even when we use the same search terms.

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