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    Windows Guides
    Intermediate
    1 min read 4 stepsFebruary 9, 2026Verified February 2026

    How to Encrypt Files and Folders on Windows

    Protect sensitive files with encryption using Windows built-in tools.

    In this guide (4 steps):

    1. 1.Use BitLocker (Pro/Enterprise)
    2. 2.Encrypt with EFS
    3. 3.Use 7-Zip for file encryption
    4. 4.Back up your encryption key
    1

    Use BitLocker (Pro/Enterprise)

    ~15s
    Right-click a drive in File ExplorerTurn on BitLocker. Follow the wizard to set a password.

    Quick Tip

    BitLocker is the most secure option for full-drive encryption on Windows. It works automatically after setup.

    2

    Encrypt with EFS

    ~15s
    Right-click a file/folder → PropertiesAdvancedCheck "Encrypt contents to secure data."
    3

    Use 7-Zip for file encryption

    ~15s
    Download 7-Zip (free). Right-click files → 7-ZipAdd to Archive. Set a password with AES-256 encryption.
    4

    Back up your encryption key

    ~15s
    When prompted, save your BitLocker recovery key to your Microsoft account, USB drive, or printed copy.

    Warning

    If you lose your BitLocker recovery key, your data is permanently inaccessible. Save it in at least two safe places.

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    intermediate
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    Official Resources

    Microsoft SupportHow-To Geek — WindowsGCFGlobal — Windows Basics

    Sources used to create and verify this guide. View all sources →

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    How to Encrypt Files and Folders on Windows — Step-by-Step Guide | TekSure