Why You Need Multiple Backups

The 3-2-1 rule: keep 3 copies of data, on 2 different types of storage, with 1 offsite (cloud). Time Machine covers your local backup. iCloud or an online service covers offsite. Together they protect against drive failure, theft, fire and accidental deletion.

Method 1: Time Machine (Local Backup — Best)

  1. 1

    Get an external hard drive

    Any USB hard drive works. Recommended size: at least twice your MacBook's storage. A 1TB external drive costs $60–100 and lasts years.

  2. 2

    Plug it in — Time Machine prompts you automatically

    On newer Macs, plugging in an external drive prompts whether you want to use it for Time Machine. Click Use as Backup Disk.

  3. 3

    Or set it up manually

    System Settings → General → Time Machine → Add Backup Disk → select your external drive → Done.

  4. 4

    Back Up Now

    Click the Time Machine icon in the menu bar → Back Up Now. The first backup takes a while (can be hours for a full drive). Subsequent backups are fast — only changed files are added.

Time Machine backs up automaticallyOnce set up, Time Machine backs up every hour when the drive is connected, keeping hourly backups for 24 hours, daily backups for a month, and weekly backups until the drive is full.

Method 2: iCloud Drive (Cloud Backup)

  1. 5

    System Settings → your name → iCloud

    Enable iCloud Drive. This syncs your Desktop and Documents folders to iCloud automatically. Toggle on any other iCloud services you want (Photos, Mail, Contacts etc).

  2. 6

    Optimise Storage

    In iCloud settings, enable Optimise Mac Storage. This keeps full files in iCloud and local copies only of recently used files — freeing up local storage while keeping everything accessible.

Method 3: Clone with Carbon Copy Cloner or SuperDuper

For a bootable clone (an exact copy of your drive you can start your Mac from in an emergency), use Carbon Copy Cloner or SuperDuper — both have free tiers. More technical but provides the fastest disaster recovery.

Frequently Asked Questions

It depends on your data. iCloud gives 5GB free which is rarely enough. 50GB ($1.49/month) works if you mainly store documents. 200GB ($4.49/month) covers most people. 2TB ($14.99/month) for large photo and video libraries. iCloud Drive is not a full system backup — it only backs up files in iCloud Drive, not system settings or apps.
Connect the Time Machine drive. For individual files: click the Time Machine menu bar icon → Enter Time Machine → browse to any point in the past → select and restore files. For a full restore after a failure: during Mac setup, select Restore from Time Machine Backup and follow the prompts.