If you forget your Android lock screen password, is there a way to unlock your phone? The short answer is no – you will have to factory reset your device to be able to use your phone again
The recovery form is available at https://account.live.com/acsr. Collect as much information as you can about any Microsoft services you may have used with this account. The more information you can include when filling out the form, the better the chance you'll have of regaining access to your account.