Table of Contents
Enable Modern Authentication through Microsoft Admin Center
Modern authentication in Exchange Online enables authentication features like multi-factor authentication (MFA), smart cards, certificate-based authentication (CBA), and third-party SAML identity providers.
1. In the Microsoft 365 admin center, go to Settings > Org Settings > Modern Authentication.
If you don’t see the Settings option in the new Microsoft admin center. Let click on the link Show all to open all settings.
![Sa1](https://bonguides-1e199.kxcdn.com/wp-content/uploads/2022/06/sa1.png)
![Bg737](https://bonguides-1e199.kxcdn.com/wp-content/uploads/2022/06/bg737.png)
2. In the Modern authentication flyout that appears, click to enable or disable Turn on modern authentication for Outlook 2013 for Windows and later (recommended).
![Bg738](https://bonguides-1e199.kxcdn.com/wp-content/uploads/2022/06/bg738.png)
Enable Modern Authentication Using Exchange Online PowerShell
2. Run the following command to enable modern authentication connections to Exchange Online by Outlook 2013 or later clients:
Set-OrganizationConfig -OAuth2ClientProfileEnabled $true
3. To verify that the change was successful, run the following command:
Get-OrganizationConfig | Format-Table Name,OAuth* -Auto
PS C:\WINDOWS\system32> Get-OrganizationConfig | Format-Table Name,OAuth* -Auto
Name OAuth2ClientProfileEnabled
---- --------------------------
bonguides.onmicrosoft.com True
Optional
Run the following command to prevent modern authentication connections (force the use of basic authentication connections) to Exchange Online by Outlook 2013 or later clients:
Set-OrganizationConfig -OAuth2ClientProfileEnabled $false