Cannot get mail connection to server failed

I have not been able to send or receive emails for 2 weeks. Regardless what I use to access email( my phone, my husbands phone or my laptop) I get the same message….Cannot get mail, connection to server failed! It’s literally impossible to figure out as I’ve tried everything Microsoft page has shown to try and trying to figure out how to talk to customer service or chat is even more impossible! Anyone able to help?!