How to Make Files Undeletable in Windows

If you have lost files on your PC over and over again and sometimes you even don't what causes the data loss. Fortunately, effective methods are available here to help you fix the file lost issues, and you can also make important files undeletable but accessible now. Then you won't lose any precious documents or files on your PC. Let's see how to make files undeletable in Windows 11/10/8/7 now.

Method 1. Deny Security Permission to Make Files Undeletable

• Right-click the file or document on your PC > choose "Properties".
• In Security, tab "Edit" to change permission > select "Add and enter Everyone".
• Press "OK" and select the group to change Full control permission to Deny.
• Press "Yes" to confirm.

Then you can try to delete the file, and you'll get a File Access Denied message. Once this message appears, you'll not be able to remove the file again. When you want to delete the file again, you can change the Deny to everyone's full control permission.

Method 2. Create Backups to Make Files Undeletable 

If you need a more directive method to make files undeletable, the best automatic backup software - EaseUS Todo Backup will allow you to create file backup and even auto backup files in Windows for you. If you have made backups, you'll never lose files even after accidental deletion, as you can directly restore them from backups. Follow to see how to automatically back up files to an external hard drive so to make a file undeletable. 

Method 3. Make a File Undeletable with File Undelete Software

With professional file undelete software, you can recover the lost files effectively even after you format or remove files from your PC. Here you may try a 100% risk-free file undelete software - EaseUS EaseUS Data Recovery Wizard, which allows you to make a file undeletable in PC or external storage devices by performing formatted recovery, recycle bin emptied data recovery, permanently deleted files recovery, lost partition recovery, OS crash recovery, virus attack recovery, and RAW partition recovery with simple clicks.

Now, download this software for free and let it help you get data back safely and timely. 

Step 1. Select a location and start scanning

Launch EaseUS Data Recovery Wizard, hover on the partition/drive where the deleted files were stored. Click "Scan" to find lost files.

Step 2. Select the files you want to recover

When the scanning has finished, select the deleted files you want to recover. You can click on the filter to display only the file types you want. If you remember the file name, you can also search in the "Search files or folders" box, which is the fastest way to find the target file. 

Step 3. Preview and recover deleted files

Preview the recoverable files. Then, select files you want to restore and click "Recover" to store the files at a new storage locations instead of the disk where the data was previously lost.