Now, hit the Add button, then type Everyone into the input field, and hit OK. After that, click on Edit under the Group or User name section. From here, select Properties and then select the Security tab. Select your desired folder on your computer and then right-click on it. However, one major drawback is that you can not use this method to lock multiple files at the same time. One of the most common ways to stop anyone from erasing your folders is to change certain security settings. #1 Modify Security Permission to Prevent File or Folder from Being Deleted Before we get started, we recommend you have the latest Windows 10 update on your machine. In this tutorial, we are going to show you how to protect a folder from being deleted in Windows 10. This should come in handy for those users who are not very tech-savvy. All you need to do is to change some settings. However, there is a simple way to prevent someone from deleting a file or folder in Windows 10. In reality, you can retrieve a deleted file in Windows 10, but the process involves editing the registry, which puts your computer at risk. While erasing a file is a straightforward task, recovering it is a different story. If you are now in this particular situation, there is a good chance that you'll end up losing your precious data.

Accidentally deleting files or folders in Windows 10 is a nightmare for any user out there.

Lock a folder on android