How to make personal profile as a default one in Edge
When you run stable version of the new Edge browser, it might automatically detect that you are logged in via domain account and automatically sets up default profile with that work account:
If you prefer to use personal account as default one, the easiest but ugly fix I found yet is to close Edge, remove a folder from AppData folder:
and next time you open Edge you should be offered to sign in with any account, like the personal MSA one in this situation:
And as a administrator you can control this behaviour via Edge Policy.