Password Self-Service Tutorials
Step 1: Go to the Password Reset page
Navigate to https://passwordreset.microsoftonline.com/ and enter your user ID.
Step 2: Describe your problem
Selecting that you forgot your password will prompt you to set a new password. Selecting that you know your password will unlock your account and let you keep your current password.
Step 3: Verify your identity
Select a method to verify your identify with Office 365. If your select authentication method requires a verification code, input the verification code that was sent to you and click “next.”