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    Mac Guides
    Intermediate
    1 min read 5 stepsJanuary 20, 2026Verified January 2026

    How to Use Time Machine Backup on Mac

    Set up automatic backups with Time Machine to protect all your files.

    In this guide (5 steps):

    1. 1.Connect an external drive
    2. 2.Set up Time Machine
    3. 3.Start the first backup
    4. 4.Restore files
    5. 5.Exclude folders
    1

    Connect an external drive

    ~15s
    Plug in an external hard drive or SSD. macOS may ask if you want to use it for Time Machine.

    Quick Tip

    For Time Machine, a drive at least twice the size of your Mac's storage is recommended. A 1TB external drive works for most people.

    2

    Set up Time Machine

    ~15s
    Go to System SettingsGeneralTime MachineAdd Backup Disk. Select your external drive.
    3

    Start the first backup

    ~15s
    Time Machine begins backing up automatically. The first backup may take a while depending on your data.

    Warning

    Do not disconnect the external drive during the first backup. It can take several hours depending on how much data you have.

    4

    Restore files

    ~15s
    Click the Time Machine icon in the menu barBrowse Time Machine Backups to navigate through past versions.
    5

    Exclude folders

    ~15s
    In Time Machine settings, click Options to exclude large folders you don't need backed up.

    You Did It!

    You've completed: How to Use Time Machine Backup on Mac

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    Official Resources

    Apple SupportHow-To Geek — MacApple Support YouTube

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

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    How to Use Time Machine Backup on Mac — Step-by-Step Guide | TekSure