Added Files

Powershell/PowerShell-Office365Admin/ExchangeWithMFA/EnableExchangeModernAuth.ps1

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+# Enable Modern Authentication in Exchange Online
+#
+# Uses the new PowerShell "module" that support MFA.
+#
+
+# Find and load the new ExO "module"
+$exoModulePath = (Get-ChildItem -Path $env:userprofile -Filter CreateExoPSSession.ps1 -Recurse -Force -ErrorAction SilentlyContinue).DirectoryName[-1]
+. "$exoModulePath\CreateExoPSSession.ps1"
+
+# Establish a session to Exchange Online
+Connect-EXOPSSession
+
+# Enable modern authentication
+Set-OrganizationConfig -OAuth2ClientProfileEnabled $true
+
+# Verify the setting has changed
+Get-OrganizationConfig | Format-Table -AutoSize Name,OAuth2ClientProfileEnabled
+
+# End the Exchange Session
+Get-PSSession | Where-Object {$_.ComputerName -eq 'outlook.office365.com'} | Remove-PSSession