This quick tip comes with the help of an Office 365 expert from my company.
Mostly Microsoft Office 365 is very reliable with a commitment to server 99.9% uptime guarantee. Isn’t that great?
But for that .1 % time if there is some geographical outage or something, I was suggested for this quick link to check:
It gives you a map to see if there are any geographical issues on the Office 365 cloud:
Note: This is not a direct service from Microsoft, so I don’t want to suggest this is official link from Microsoft in any way.
Hope it helps!