Configure SSO settings for Microsoft.
Configure Microsoft SSO Settings
Permissions
Furthermore, your user account or group membership must have the "Settings: Update Settings" permission to edit SSO SAML settings unless your user account has the Make this user a Super Admin setting selected.
See the Settings permissions or ask your Administrator for assistance.
The following information is required to configure SSO with Microsoft:
Client ID
Client Secret
To generate or locate your Microsoft client ID and client secret, refer to Register an app in the Microsoft identity platform.
See an example in the following video showing how to configure Microsoft SSO settings.
Intended audience: System administrators and Process designers
Viewing time: 2 minutes; contains narration
Microsoft SSO configuration
Configure the following Microsoft SSO settings as necessary:
From the list of SSO identity providers, select the Microsoft option. The SSO - Microsoft panel displays.
Click the Edit icon
for the Client ID setting. The Client ID screen displays.
Enter your Microsoft client ID, and then click Save.
Click the Edit icon
for the Client Secret setting. The Client Secret screen displays. 
Enter your Microsoft client secret, and then click Save
Use the copy icon
to copy the URL from the Redirect setting, and then provide it in your Microsoft application settings.