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Bookmark or Share- What is Protected View? - Microsoft SupportProtected View is a read-only mode where most editing functions are disabled. There are several reasons why a file opens in Protected View: The file was opened from an Internet location - When you see the message in Protected View that says "Be careful - files from the Internet can contain viruses.
- Digital signatures and certificates - Microsoft SupportA digital signature is an electronic, encrypted, stamp of authentication on digital information such as email messages, macros, or electronic documents. A signature confirms that the information originated from the signer and has not been altered. The following is an example of a signature line. Top of Page.
- Video: Restrict changes to files - Microsoft SupportEncrypt documents with a password. Open the document that you want to password protect. Select File > Info. Select Protect Document > Encrypt with Password. Note: In Excel, select Protect Workbook. In PowerPoint, select Protect Presentation. Enter a password, and select OK. Re-enter the password, and select OK.
- Save or convert to PDF or XPS in Office Desktop appsEncrypt the document with a password To restrict access so only people with the password can open the PDF, select this option. When you select OK, Word opens the Encrypt PDF Document box, where you can type and re-enter a password.
- Create protected PDFs from Office files - Microsoft SupportIf your organization uses Microsoft Purview Information Protection, they probably want you to apply that same protection to any PDFs you create from Microsoft Office files. Here's how to do it.
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