Thunderbird on Linux, K-9 Mail on Android. My $WORKPLACE is using Outlook, so I use Thunderbird for Mail there too and always have a browser tab open with the

Thunderbird on Linux, K-9 Mail on Android. My $WORKPLACE is using Outlook, so I use Thunderbird for Mail there too and always have a browser tab open with the OWA calendar [1]. Not the most elegant solution, but it's working fine for me. [1] Tried several addons for Thunderbird with Outlook integration, decided I don't like any of them.