# Linking users to Group SSO

Each user needs to complete the actual linking process individually, but group administrators need to make sure that everything is ready for users to do this.

1. Check that your users have identities in your Identity Provider, and that your users are authorized to use the Overleaf application that has been defined in your IdP.
2. Set up SSO for your group following [our detailed guide](/groups/overleaf-group-single-sign-on/setting-up-group-sso.md).
3. Enable SSO for your group in your Group subscription settings.
4. Make sure that your users are [added as group members.](/groups/user-management/how-to-add-and-remove-users.md)

Once SSO is enabled for your group, existing group members will receive an email notification letting them know to log in and link their SSO identities to their Overleaf accounts.

Once a user has linked their SSO identity to their Overleaf account, they can use the Overleaf SSO page to log in to their account. Providing their Overleaf primary email address at the Overleaf SSO page will redirect them to your IdP’s login.

## Making SSO an exclusive login option

If you're the administrator of a Pro group plan that has [enabled Managed Users](https://www.overleaf.com/learn/how-to/User_Management_in_Overleaf), then turning on SSO will make it the exclusive login option for users in your group (provided their account is managed).


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