The only thing stopping me from switching to eOS/Linux (from macOS) is Outlook Categories (I use O365 Exchange). Yeah, I know it sounds dumb, but it's a big deal to me because I have hundreds of email messages tagged with one or multiple custom categories so I can quickly filter out what I'm looking for.

I have been unable to find an email client that supports Outlook Categories. Does one exist?

  • Have you looked at Hiri email. Sep 1, 2019 at 7:45
  • @JeffWilson yeah #hiri was the first app I tried. It doesn’t support O365 categories. Furthermore, contacting them for support is impossible so I have no interest in giving them my business.
    – ron_jeremy
    Sep 2, 2019 at 15:22


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