Lock folders without any software

*. Consider you want to lock a folder named XXXX in your E:\, whose path is E:\XXXX. *. Now open the Notepad and type the following [code]ren xxxx xxxx.{21EC2020-3AEA-1069-A2DD-08002B30309D}[/code] *. Where xxxx is your foldername. Save the text file as loc.bat in the same drive. *. Open another new notepad text file and type the following [code]ren xxxx.{21EC2020-3AEA-1069-A2DD-08002B30309D} xxxx[/code] *. Save the text file as key.bat in the same drive. Steps to lock the folder: *. To lock the xxxx folder, simply clickthe loc.bat and it will transform into controlpanel icon which is inaccessible. *. To unlock the folder click the key.bat file. Thus the folder will be unlocked and the contents are accessible.