How to delete a Microsoft live account from Windows
To remove an account used by apps:
- Select the Start button, and then select Settings > Accounts > Email & accounts .
- Under Accounts used by other apps, select the account you want to remove, and then select Remove.
- Select Yes to confirm.
- When you select the Mark account for closure button, we wait 60 days before permanently deleting your Microsoft account in case you change your mind or need to access something on the account before it’s gone forever.