Protected View Versus Application Guard for Office

Two screen shots contrast the user experience when an untrusted document triggers Protected View and when Application Guard for Office is invoked. Windows 10 and Microsoft 365 Apps for enterprise can work together to detect untrusted documents and alert the user. The upper (short) screen shot shows the banner that appears at the top of a modal window when an untrusted document is opened in Protected View. The user is warned that the document may contain some malicious content, but the user can make the decision to continue and open the document for editing.

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