You can access your Office application using the web, this allows you to check that your Password that your applications are using is correct.
1.
  1. Open your preferred Web Browser
  2. Enter https://portal.office.com
  3. Enter your email address
  4. Click Next 
  5. Enter your Password, then click on Sign In 
  6. If you want to Stay Signed In, Click on Yes 
  7. If you have Two Factor Authentication (2FA or MFA), then you will now be sent a Text message, enter that code
  8. You will now load a screen that has all your applications
  9. Click on Outlook to check email, or OneDrive to check you files saved on OneDrive.