Set up multi-tenant SSO with Microsoft Entra ID (Azure AD)

Requirements
- Microsoft Entra ID (Azure AD) account with access to the administrator console
- Grammarly Business, Grammarly Pro, or a Grammarly for Education account with the admin role or a designated custom role

1. Log in to your Microsoft Entra ID admin account and go to Azure Active Directory.
2. Navigate to Enterprise Applications and select New Application.
3. Search for Grammarly, click on the app, and click Create in the panel that opens.
4. On the next page, click Set up single sign on and choose SAML as your single sign-on method.
5. In the Basic SAML Configuration section, click Edit.
6. Under Identifier (Entity ID), click Add identifier and insert https://sso.grammarly.com/saml/metadata/sso-id, where “sso-id” is the value you received from the Grammarly Support team.
7. Under Reply URL (Assertion Consumer Service URL), click Add reply URL, insert https://sso.grammarly.com/saml/assertion/alias/sso-id, and click Save.
8. On the Set up single sign-on with SAML page, in the SAML Signing Certificate section, find Certificate (Base64) and click Download to save it on your computer:
   
   
9. In the Set up Grammarly section, copy Login URL and Microsoft Entra Identifier. You will need to enter these values in your Grammarly account accordingly:
   • Microsoft Entra Identifier → Identity Provider Issuer
   • Login URL → SAML 2.0 Endpoint (HTTP)
   • Certificate (Base 64) → Certificate (open the file in a text editor and copy the contents to Grammarly)

To assign users to the Grammarly application in Microsoft Entra ID, please do the following:

1. In the Microsoft Entra ID portal, select Enterprise Applications.
2. In the applications list, select Grammarly.
3. In the application’s overview page, find the Manage section and select Users and Groups.
4. Select Add user/group, then select Users and groups in the Add Assignment dialog.
5. In the Users and groups dialog, select the appropriate users or groups and click the Select button at the bottom of the page.
6. In the Add Assignment dialog, click the Assign button.

Finally, to enable multi-tenant SSO on the Grammarly side, please contact Grammarly Support and request to activate it.

If you encounter any issues, please look for a troubleshooting article on this page: Resolve Issues

Note: There might be a delay in propagating the SSO parameters from Microsoft Entra ID. To avoid issues with configuring SSO, we recommend enabling SSO on the Grammarly side 1–2 hours after setting up the Grammarly app in Microsoft Entra ID.