Protected View is a security feature in Microsoft Office applications such as Word, Excel, and PowerPoint. It is designed to protect your computer from potentially unsafe files by opening them in a read-only mode. This is particularly important when dealing with documents downloaded from the internet or received as email attachments, which could contain malicious code.

While "Modo de Exibição Protegido" (Protected View) is not a feature of the Windows operating system itself, it is highly relevant to users of Windows who use Microsoft Office. This article will guide you through the steps to enable and use Protected View in Microsoft Office on a Windows environment.

Examples:

1. Enabling Protected View in Microsoft Office:

   a. Open any Microsoft Office application (e.g., Word, Excel, or PowerPoint).

   b. Go to File > Options.

   c. In the Options dialog box, select Trust Center from the left-hand menu.

   d. Click on the Trust Center Settings button.

   e. In the Trust Center, select Protected View.

   f. You will see three checkboxes:

   • Enable Protected View for files originating from the internet
   • Enable Protected View for files located in potentially unsafe locations
   • Enable Protected View for Outlook attachments

   g. Check or uncheck these options according to your preferences.

   h. Click OK to apply the settings.

2. Opening a Document in Protected View:

   When you open a document that triggers Protected View, you will see a yellow bar at the top of the document with a message like "Protected View This file originated from an Internet location and might be unsafe. Click for more details."

   a. If you trust the document, you can click the Enable Editing button to exit Protected View and edit the document.

   b. If you do not trust the document, you can close it without enabling editing.

3. Using CMD to Check File Properties:

   While you cannot enable or disable Protected View via CMD, you can use CMD to check the properties of a file to determine its origin.

   dir /R "C:\Path\To\Your\File.docx"

   This command will display alternate data streams (ADS) associated with the file, which can indicate if the file was downloaded from the internet.

4. Using PowerShell to Check File Properties:

   Similarly, you can use PowerShell to check the Zone.Identifier ADS, which is used by Windows to mark files downloaded from the internet.

   Get-Item "C:\Path\To\Your\File.docx" -Stream Zone.Identifier

   If the file has a Zone.Identifier stream, it likely originated from the internet.