The killer feature that would make me use this would be EWS/OWA support. I have used davmail and evolution to access my work email this way and very few clients

The killer feature that would make me use this would be EWS/OWA support. I have used davmail and evolution to access my work email this way and very few clients seem to be able to do this. Emclient is probably the best but stopped working presumably due to changes on our end so no great windows solution currently for me.