My Microsoft Personal Account? Microsoft Work Account? Azure AD Account? Microsoft GitHub account?
p.s. All of the accounts have the same username, you just try different password and 2FA combinations til it works.
Microsoft Work Account - Defined by your workplace. Ending in @workplace.com
Azure AD Account - Same as your work account, unless your workplace uses a different tenant account for Azure.
Github Account - Well they still need to support the older accounts.
My Microsoft Personal Account? Microsoft Work Account? Azure AD Account? Microsoft GitHub account?
p.s. All of the accounts have the same username, you just try different password and 2FA combinations til it works.