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How to Encrypt Files in Windows 11

Richard
Written by
Richard
Feb 15, 2026 Updated Jun 19, 2026 4 min read
How to Encrypt Files in Windows 11
How to Encrypt Files in Windows 11

This guide shows you how to lock (encrypt) and unlock (decrypt) your files and folders in Windows 11, keeping your private information safe.

⚡ Quick Answer

Right-click a file or folder, select Properties, click Advanced, and check “Encrypt contents to secure data.” This is only available on Windows 11 Pro and higher.

What is Encryption?

Encryption is a way to scramble your files so only you can read them, keeping your private information safe on your computer. When you encrypt files in Windows 11, you’re essentially locking them with a secret key, making sure that if your computer is lost or stolen, your data remains unreadable to others.

Why encrypt your files? If your computer is lost or stolen, encrypted files stay private and safe.

What happens when you encrypt a folder? Any new files you put inside will automatically be locked too.

Important Things to Know

This feature is not available on Windows 11 Home Edition. You need Windows 11 Pro or higher.

Some files cannot be encrypted. These include compressed files (ZIP), system files, main folders, or files that Windows needs to run.

How to Lock or Unlock Files and Folders Using Properties

The best way to lock or unlock files and folders is using the Properties menu.

Steps to Encrypt (Lock) a File or Folder:

  1. Find the file or folder you want to protect.
  2. Right-click on it and click Properties.
  3. In the General tab, click the Advanced… button.
  4. Check the box that says Encrypt contents to secure data.
  5. Click OK to close the Advanced Attributes window.
  6. Click OK or Apply in the Properties window.
  7. Choose if you want to encrypt just this folder or file, or also everything inside it. Then click OK.
Right-click folder and open Properties
windows 11 folder properties jpg

Encrypting files in Windows 11 is straightforward and can be done directly through File Explorer. To start, find the file or folder you want to protect, then right-click on it and select ‘Properties’ to access the settings where you can turn on encryption.

Image: Right-click your folder or file and choose Properties.

Click the Advanced button in Properties
windows 11 folder advanced button jpg

Encrypting files in Windows 11 is straightforward and can be done directly through File Explorer. To start, find the file or folder you want to protect, then right-click on it and select ‘Properties’ to access the settings where you can turn on encryption.

Image: Click the “Advanced” button.

Check the box to encrypt contents
windows 11 encrypt folder check box jpg

Encrypting files in Windows 11 is straightforward and can be done directly through File Explorer. To start, find the file or folder you want to protect, then right-click on it and select ‘Properties’ to access the settings where you can turn on encryption.

Image: Check “Encrypt contents to secure data”.

Choose to apply changes to folder and subfolders
windows 11 encryption folder option jpg

Encrypting files in Windows 11 is straightforward and can be done directly through File Explorer. To start, find the file or folder you want to protect, then right-click on it and select ‘Properties’ to access the settings where you can turn on encryption.

Image: Choose whether you want to encrypt just this folder, or everything inside it too.

How to Decrypt (Unlock) a File or Folder

Follow the same steps as above. But in step 4, uncheck the box instead of checking it.

How to Lock or Unlock Files and Folders Using Commands

You can also lock or unlock files and folders using a command-line tool like Windows Terminal, PowerShell, or Command Prompt.

To Open Windows Terminal:

Open PowerShell

Open Command Prompt

To Encrypt (Lock) a File

Use this command:

💻Code
cipher /e "FullFilePathHere"

Replace FullFilePathHere with your file’s location. For example:

💻Code
cipher /e "C:\Users\UserName\SecretDocument.txt"

To Decrypt (Unlock) a File

Use this command:

💻Code
cipher /d "FullFilePathHere"

Example:

💻Code
cipher /d "C:\Users\UserName\SecretDocument.txt"

To Encrypt (Lock) a Folder and Everything Inside

Use this command:

💻Code
cipher /e /s:"FullFolderPathHere"

Example:

💻Code
cipher /e /s:"C:\Users\UserName\SecretDocument"

To Decrypt (Unlock) a Folder and Everything Inside

Use this command:

💻Code
cipher /d /s:"FullFolderPathHere"

Example:

💻Code
cipher /d /s:"C:\Users\UserName\SecretDocument"

Summary

Encrypting files in Windows 11 is a simple yet powerful way to protect your personal data from unauthorized access. By following a few steps, you can secure your important documents, ensuring they remain private even if your device is lost or stolen, though keep in mind that Windows 11 Home users might need to upgrade to Pro for this capability.
  • Encryption helps keep your private files safe from others.
  • You can encrypt or decrypt files easily using Properties or commands.
  • Encrypting files is a good idea if your computer is lost or stolen.
  • If you have Windows 11 Home, encryption with this method is not available. Consider upgrading to Windows 11 Pro.
  • Stay safe and protect your data!

Does 🪟 Windows 11 have file encryption?

Encrypted File System isn’t available on Windows 11 Home Edition. It’s important to know that Encrypted File System is unavailable on Windows 11 Home Edition, so you might consider upgrading to Windows 11 Pro for this feature.

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Tags: #Windows 11
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Richard

About the Author

Richard

Tech Writer, IT Professional

Richard, a writer for Geek Rewind, is a tech enthusiast who loves breaking down complex IT topics into simple, easy-to-understand ideas. With years of hands-on experience in system administration and enterprise IT operations, he’s developed a knack for offering practical tips and solutions. Richard aims to make technology more accessible and actionable. He's deeply committed to the Geek Rewind community, always ready to answer questions and engage in discussions.

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