How To Protect Files And Folders In Windows 10


A significant feature in the Windows family is to protect a file or folder. We can also use this feature in Windows 10 to protect a file or folder, this is a very useful feature to safeguard our documents from fraudsters.
If we have many more important secret documents in our laptop and by chance, we have to share our laptop with another person and we do not want to share our documents with him/her then we can protect our documents by using various options like by changing the permission of a file or a folder, using command prompt (Cmd), and any third-party software.
This tutorial will show you various ways on, how to protect your files and folders in Windows 10.

Method 1. By Changing the Permission of Files and Folders

By changing the permissions of a file and folder, users can safeguard their documents. Follow the instructions below to proceed.
Step 1
Navigate to a file or folder which you want to protect.
naviagte a file or the folder
Step 2
Right-click on it and click on the "Properties" option.
click on the properties option
Step 3
"Properties" Window will appear on the screen and click on the "Security" tab.
click on security tab
Step 4
Click on the "Edit" button.
Click on the Edit button.
Step 5
"Permissions" window will appear on the screen then, select the "Group or user name" and select the "Read" and "Write" Deny option. Click on the "Apply" button to proceed.
permission window
Step 6
"Windows Security" windows will appear on the screen and click on the "Yes" button.
click on the yes
Step 7
Now, if anyone tries to open this locked file or folder, he/she will get the "Access Denied Error" dialog box on the screen.

Method 2. Changing the File Format and Extension

Step 1 
Navigate to the folder which you want to hide or protect.
Step 2
Right-click on it and click on "Send to > Compressed (Zipped) Folder".
click on compressed option
Step 3
Right-click on it and change the name of the zip file with its extension to something else by rename option.
change the name with extension
Step 4
Delete the original folder.
delete the original folder

Method 3. Create a New Drive (Partition) and Hide it

Follow the instructions below to proceed.
Step 1
First, create a new hard drive by shrinking the already existing hard drive (volume).
Step 2
Then, hide the newly created hard drive (volume).
By following the instructions given in my previous article on the topic, "How To Hide Or Unhide Any Drive In Windows 10", you can hide any hard drive (volume).

Method 4. Using Command Prompt (Cmd)

With the help of command prompt, users can protect their files and folders. Follow the below instructions to proceed.
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 or a folder, type the command given below into the command prompt and press the enter key.
cacls <File or Folder Path> /P everyone:n
For example: To lock the "NoidaChapter-C#Corner" folder, run the command as,
cacls O:\NoidaChapter-C#Corner /P everyone:n, where n represents the user's access right to none.
using cmd
After locking the file or folder using the command prompt (cmd), when you just want to open the file or folder it shows the warning message as below.
dialog message
If you want to unlock these files or folders using the command prompt, visit "How To Lock File And Folder Using Command Prompt (CMD) In Windows 10" article for more details.


By following any of the above methods, you can protect your files and folders 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.

Similar Articles