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.

Use Restrict Editing to protect parts that can or can't be changed, who can make changes, find areas you can edit, or unlock a protected document.

Select Info, choose Protect Document, point to Restrict Permission by People, and then select Restricted Access. In the Permissions dialog box, select Restrict permission to this document, …

Open the password-protected document. Select File > Info. Select Protect Document > Encrypt with Password. Note: In Excel, select Protect Workbook. In PowerPoint, select Protect …

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 > …

When you open a Microsoft Word document that is protected with a "modify" password, you may not be prompted for the password if the document exists in a Microsoft Exchange or Microsoft …

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 …

Enable editing in your document If you receive or open a document and can't make any changes, it might be Open for viewing only in Protected View. One of the options below can help you:

In today's world, you want to make sure your device is secure and your data stays private. With Microsoft 365 and Windows 10, you have easy-to-use controls to keep what's important safe …

Utilisez Restreindre la modification pour protéger les parties qui peuvent ou ne peuvent pas être modifiées, qui peut apporter des modifications, rechercher des zones que vous pouvez …