Is there a way (either built-in or through a trustworthy add-in) to use OAuth 2.0 for authentication with MS Office Outlook client (on Windows desktop) for Google (or other sites)? Outlook 2016 still seems to only support password auth! The "Outlook Mail & Calendar" (also known just as "Mail") app on Win10 supports OAuth for at least Google and Yahoo accounts, but that app is missing functionality (found in "real" Outlook) that I need.
Everything I've found online talks about creating a client that uses OAuth to access Outlook.com, Microsoft's current webmail offering, but this is the reverse of what I'm trying to do; I want to use the client I have (Outlook, the desktop Win32 app that is part of MS Office) to connect to arbitrary (email, typically IMAP+SMTP) services that use OAuth for authentication.
While this question is about a security feature, it's not really a security question; I'm just trying to use a feature that every other non-trivial desktop (or mobile) email client supports, most of them for years now. It seems impossible that Outlook doesn't support it at all, but I can't find a way to use it!
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