Microsoft Teams: Adding External Users to Teams Site

Overview:This guide provides a step-by-step process for adding an external email address to Microsoft Teams and setting up Multifactor Authentication (MFA) for secure access.

Step-by-Step Instructions:

1. Add External Email Address to Microsoft Teams

Type External Email Address into the appropriate field.
Press Enter.
Click Add to send the invitation to the external user.

2. External User Invitation

Once the external user has been added, they will receive an email with instructions similar to the message below:

3. Sign In to Microsoft Teams

Click on "Open Microsoft Teams" from the email invitation.
A verification code will be sent to the external user’s email. Use this code to sign into Microsoft Teams.

4. Multifactor Authentication (MFA) Setup

External users are required to set up Multifactor Authentication (MFA) for added security.

Click on "Next" when prompted by the More information required screen.
Set up MFA using the Microsoft Authenticator app or an Authenticator app of your choice.

5. Accessing the Teams Site

Once MFA is set up, proceed to the Microsoft Teams site:

In the Permissions requested by: window, Click on Accept to grant necessary permissions.
If you encounter an error message indicating "Team not existing," Click OK and retry.

Troubleshooting:

Error: "Team not existing": If this message appears, it may be due to permission delays. Retry accessing the Teams site or contact support for further assistance.