I have found a solution for syncing multiple office 365 calendars from different accounts and domains, by using extra calendars as an in-between and by using a free and open source plugin called CalDav Synchronizer ( ).
I have found a solution for syncing multiple office 365 calendars from different accounts and domains, by using extra calendars as an in-between and by using a free and open source plugin called CalDav Synchronizer ( ).