Why is Minecraft not letting me sign into my Microsoft account?
If you cannot sign in, try using the Xbox application to control which account is logged in to Minecraft on your device. Download the free Xbox app from your mobile device's app marketplace. ... Log in to the account you want to play with. Try signing in again on your Xbox/PC/device.
Why can't I sign into my Microsoft account on Minecraft Education Edition?
Oops! If you are seeing an error message saying that you can't sign in with the email you provided, it is probably because the email address you used isn't associated with a Minecraft: Education Edition license.
How do I sign back into my Microsoft account on Minecraft?
In Minecraft, select Sign in with a Microsoft account. On a different device, open your web browser and navigate to the URL displayed in Minecraft. Enter the code displayed in Minecraft and click Next. Enter the email address, phone number, or Skype username for your Microsoft account and click Next.