Change or Reset your SonicWall Password

Change my password.

If you know your password already and want to change it, use the following steps.

Change your password from the Office 365 portal.

Use this method if you normally access your applications through the Office portal:

1. Sign in to your Office 365 account with your existing password.
2. Select your profile on the upper-right side, and then select View account.
3. Select Security & privacy > Password.
4. Enter your old password, set and confirm your new password, and then select Submit.

Change your password from the Azure Access Panel

Use this method if you normally access your applications from the Azure Access Panel (MyApps):

1. Sign in to the Azure Access Panel with your existing password.
2. Select your profile on the upper-right side, and then select View Account.
3. Select Change Password.
4. Enter your old password, set and confirm your new password, and then select Submit.

Register Your Account for Microsoft Online Password Reset

https://passwordreset.microsoftonline.com/passwordreset#!/

Support Articles for Reference:

https://support.microsoft.com/en-us/account-billing/change-your-microsoft-account-password-fdde885b-86da-2965-69fd-4871309ef1f1