Revise AzureADAuthorizationEndpointUri values and tips

Updated authorization endpoint URIs for Exchange Online PowerShell environments and added a tip for using /organization.

Author: paisvivekanand

exchange/exchange-ps/ExchangePowerShell/Connect-ExchangeOnline.md

@@ -145,11 +145,13 @@ Accept wildcard characters: False
 
 The AzureADAuthorizationEndpointUri parameter specifies the Microsoft Entra Authorization endpoint that can issue OAuth2 access tokens. The following Exchange Online PowerShell environments and related values are supported:
 
-- Microsoft 365 or Microsoft 365 GCC: Don't use this parameter. The required value is `https://login.microsoftonline.com/common`, but that's also the default value, so you don't need to use this parameter.
-- Office 365 Germany: `https://login.microsoftonline.de/common`
-- Microsoft 365 GCC High or Microsoft 365 DoD: `https://login.microsoftonline.us/common`
+- Microsoft 365 or Microsoft 365 GCC: Don't use this parameter. The required value is `https://login.microsoftonline.com/organization` or `https://login.microsoftonline.com/common`, but that's also the default value, so you don't need to use this parameter.
+- Office 365 Germany: `https://login.microsoftonline.de/organization` or `https://login.microsoftonline.de/common`
+- Microsoft 365 GCC High or Microsoft 365 DoD: `https://login.microsoftonline.us/organization` or `https://login.microsoftonline.us/common`
 
-If you use the UserPrincipalName parameter, you don't need to use the AzureADAuthorizationEndpointUri parameter for MFA or federated users in environments that normally require it (UserPrincipalName or AzureADAuthorizationEndpointUri is required; OK to use both).
+If you use the UserPrincipalName parameter, you don't need to use the AzureADAuthorizationEndpointUri parameter for MFA or federated users in environments that normally require it (UserPrincipalName or AzureADAuthorizationEndpointUri is required; OK to use both). 
+
+**Tip** : Using /organization ensures that only work or school accounts are allowed. Users will not be prompted to choose between consumer and organizational accounts. This is recommended for enterprise scenarios where consumer accounts should be excluded.
 
 **Note**: MFA authentication or federated authentication isn't available in Office 365 operated by 21Vianet.