To change your computer password please foll the steps bellow.
Note: This should change the password for Office, Outlook, and Teams.
To confirm your account information or to reset your password, Please start by opening an InPrivate window:
Navigate to portal.office.com and sign in using your Epitec/Microsoft credentials. If you are unsuccessful, please hit “Can’t access your account?”
Follow the on-screen prompts to reset your forgotten password. Then, try to ensure you are saving it to LastPass for the future