Forum Discussion
onmicrosoft.com - Which domain to use
New to Office 365. Would really like to setup accounts for my users with a domain other than onmicrosoft.com. Background - I am part of a church that has had many volunteers over the years in ...
I believed you could migrate your email address Domain to Office 365 and make it as primary Domain for communication, did you own the MX record on DNS hosting?
onmicrosoft.com are default Domain for ALL tenant