Once a while, you may want to change your password because of various reasons. You need to change the password with your email provider first, and to update your password in the Outlook.
Please check how to change or update your Gmail password.
After you have changed the password with the Email provider, you can open Outlook and update the password with the steps below:
Step 1: Click the "File" tab to the Backstage view;
Step 2: Click "Account Settings", then click "Update Password" from the drop-down list;
Step 3: Type the password you just changed in the email server;
Step 4: You will see the process of updating the password;
Step 5: "Password updated successfully" message will display when all are done.