Q. Please explain the steps for phone number-based authentication when signing in to Microsoft 365 Copilot.
A. Please authenticate using the steps below.
*From January 2025, the name "Microsoft 365" was changed to "Microsoft 365 Copilot".
*If a phone number is not registered as an authentication method, authentication via phone number cannot be performed.
- Enter the THERS account and password on the Microsoft sign-in form.
- On the screen prompting for multi-factor authentication after input, click "I can't use my Microsoft Authenticator app right now".
- If other authentication methods are available, please select either "Text" or "Call".
- If "Text" is selected, enter the authentication code received via SMS to sign in to Microsoft 365 Copilot.
- If "Call" is selected, an automated voice call will be made. Follow the voice instructions to complete the sign-in.