If you haven’t done so before, you’ll see messaging encouraging you to back up your file encryption certificate and key.Decide whether you want to Apply Changes To This Folder Only or Apply Changes to this folder, subfolders, and files then click OK.At the bottom of the window, check Encrypt Content To Secure Data.Right-click on the folder and select Properties.Open File Explorer and navigate to the folder that you want to lock.To lock a folder in Windows 11 Pro using encryption: If you’re using Windows 11 Home, however, then you won’t be able to follow these steps, and you’ll need to try another method instead. If you’re using Windows 11 Pro, you can encrypt files directly within Windows. How to Lock a Folder in Windows 11 Pro Using Encryption If you want to know how to lock a folder on Windows 11, follow the steps below. On Windows, there are a number of different ways to lock a folder and keep your documents protected. That way, if anyone gets access to your computer, they won’t be able to access the sensitive files in your locked folder. One way to do so is to keep them in a locked folder.

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