Azure Information Protection

Thank you VasilMichev 

For my understanding,  Not for External users means, you mean that AIP is only support for Microsoft related Email communications .. not for other than G Suite, Zoho, like that.. is this right..

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I have an another doubt , we are using as an M365 for configuring AIP in our Organisation... Some of Clients have facing not to open our emails in outlook clients app also ..

Once click the email it will be promote to  Sign-in page, but not allow to type the email address in Authentication page in Outlook client..

How it will be rectify....