Just checked, and it looks like my GitHub account is not linked to my Microsoft account, nor does it have my phone number. I just signed out and started the si

Just checked, and it looks like my GitHub account is not linked to my Microsoft account, nor does it have my phone number. I just signed out and started the signup flow. It allows me to use an email on my own domain, and I got as far as verifying my email before I canceled the flow, and there hadn't been any requirement for phone number of Microsoft account yet.