How do I grant specific permissions to an external guest on Microsoft Classroom?

To grant specific permissions to an external guest on Microsoft Classroom:

1. First, sign in as a teacher to the Microsoft Classroom.
2. In the left navigation pane, select the Class in which the guest needs specific permission.
3. then select the People tab.
4. Choose Add member.
5. Ensure to select External guest from the drop-down list to add a new external guest.
6. Enter an email address for the guest, provide a role from the drop-down list and select Send invitation.
7. If you need to modify external guest permissions, select the guest and modify the permission changes on the Role drop-down list.