Benjamin MAMPAEY commented,
Hi Gerry, Recently there are new company visiblilty options added to Rainbow.I think the 'Isolated' or 'Closed' is the one you need. https://support.openrainbow.com/hc/en-us/articles/115001397924-H...
Benjamin MAMPAEY created a post,
Hi, It would be nice that it is also possible to share calendar information for users who are using Microsoft Exchange Server on-premise. Currently only O365 Exchange is supported.