Connect to Exchange Online PowerShell as shown below
Expand title Connect to Exchange Online Powershell Include Page Connect to Exchange Online PowerShell [365] Connect to Exchange Online PowerShell [365] Run the following command in Exchange Online PowerShell:
Set-OrganizationConfig -OAuth2ClientProfileEnabled $true
To verify that the change was successful, run the following command in Exchange Online PowerShell:
Get-OrganizationConfig | Format-Table -Auto Name,OAuth*
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