Protect a Word document with a password - Microsoft Support
Go to File > Info > Protect Document > Encrypt with Password. Type a password, press OK, type it again and press OK to confirm it. Save the file to make sure the password takes effect.
Remove a password from a document - Microsoft Support
Removing a password from a document is a simple process, but you have to know the original password. Open the document and enter its password. Go to File > Info > Protect Document > …
How To Encrypt a File or Folder - Microsoft Support
Encryption is the process of converting data into a code to prevent unauthorized access. In Windows, this can be achieved using built-in tools that allow you to encrypt files and folders, …
Password protection for presentations in PowerPoint
Password protection isn't supported in PowerPoint for ODP (Open Document Presentation) files. Remove a password from a file Removing a password from a document is a simple process, …
Restrict access to documents with Information Rights …
The first time you try to open a document with restricted permission, you must connect to a licensing server to verify your credentials and download a use license.
Create protected PDFs from Office files - Microsoft Support
For example: In the appropriate Microsoft 365 app select File > Save a Copy. Set the file type to PDF and select Save. The same sensitivity label and any encryption that was set on the …
Secure your docs only to specific people - Microsoft Support
Training: When you need to secure a document when you share it and not let it be forwarded to others, use Specific people when you share.
Make a document read only in Word - Microsoft Support
Click Review > Restrict Editing. Under Editing restrictions, check Allow only this type of editing in the document, and make sure the list says No changes (Read only). Click Yes, Start Enforcing …
Help prevent changes to a final version of a file
Use Mark as Final to make your Word, Excel, or PowerPoint file read-only. When you mark as final, typing, editing commands, proofing marks are disabled or turned off, and the file …
Digital signatures and certificates - Microsoft Support
A 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 …