How To Lock File And Folder Using Command Prompt (CMD) In Windows 10

Lock the File Using Cmd

 

Step 1

 

From the Start menu, open the Run dialog box or you can Press the "Window + R" key to open the RUN window.

 

Step 2

 

Type "cmd" and click on the OK button.

 

Step 3

 

To lock a file, type the command given below into the command prompt and press Enter Key.  

 

cacls <File Path> /P everyone:n

 

For example: To lock the "noida_chapter.txt" file, run the command as, cacls E:\new\c#corner\noida_chapter.txt /P everyone:n, where n represents the user's access right to none.

 

 

Note: After Locking the file using cmd, when you just want to open the file it shows the warning message as below.

 

 

Unlock the File Using Cmd

 

To unlock a file, type the command given below into the command prompt and press the Enter Key.

 

cacls <File Path> /P everyone:f

 

For example: To unlock the "noida_chapter.txt" file, run the command as, cacls E:\new\c#corner\noida_chapter.txt /P everyone:f, where f represents the user's access right to full control.

 

 

Lock the Folder Using Cmd

 

Step 1

 

From the Start menu, open the Run dialog box or you can Press the "Window + R" key to open the RUN window.

 

Step 2

 

Type "cmd" and click on the OK button.

 

Step 3

 

To lock a folder, type the command given below into the command prompt and press Enter Key.

 

cacls <Folder Path> /P everyone:n

 

For example: To lock the "c#corner" folder, run the command as, cacls E:\new\c#corner /P everyone:n, where n represents the user's access right to none

 

 

Note: After Locking the folder using cmd, when you just want to open the folder it shows the warning message as below.

 

 

Unlock the Folder Using Cmd 

 

To unlock a folder, type the command given below into the command prompt and press Enter Key.

 

cacls <Folder Path> /P everyone:f

 

For example: To unlock the "c#corner" folder, run the command as, cacls E:\new\c#corner /P everyone:f, where f represents the user's access right to full control.

 

 

Conclusion

 

By following any of the above methods, you can lock or unlock any file and folder using Command Prompt (Cmd) in Windows 10.

 

I hope you enjoyed this article. Follow C# Corner to learn more new and amazing things about Windows 10.

 

Thanks for reading this article.