It takes some getting used to. There are some rough edges, mainly with the UI and figuring out where things are hidden behind deep menus. Calendar sharing is no

It takes some getting used to. There are some rough edges, mainly with the UI and figuring out where things are hidden behind deep menus. Calendar sharing is not as straightforward. Otherwise it's been a good experience so far. I have 8 custom domains for about 8 users. Transition was easy too, you can do it from within zoho for the most part. The only thing that takes a bit of time is domain propagation.