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• Apple Backup Storage Device
• Backup Drive For Mac And Pc
• Best Cloud Backup For Mac

You can use Time Machine, the built-in backup feature of your Mac, to automatically back up all of your files, including apps, music, photos, email, documents, and system files. When you have a backup, you can restore files from your backup if the original files are ever deleted from your Mac, or the hard disk (or SSD) in your Mac is erased or replaced.

Create a Time Machine backup

To create backups with Time Machine, all you need is an external storage device. After you connect the device and select it as your backup disk, Time Machine automatically makes hourly backups for the past 24 hours, daily backups for the past month, and weekly backups for all previous months. The oldest backups are deleted when your backup disk is full.

Connect an external storage device

Connect one of the following external storage devices, sold separately. Learn more about backup disks that you can use with Time Machine.

• External drive connected to your Mac, such as a USB, Thunderbolt, or FireWire drive
• External drive connected to an AirPort Extreme Base Station (802.11ac model) or AirPort Time Capsule
• AirPort Time Capsule
• Mac shared as a Time Machine backup destination
• Network-attached storage (NAS) device that supports Time Machine over SMB

Whether you prefer HDD or SSD, you’re looking for your first drive or your third, an external drive is usually a great solution for data backup and file storage on both your Mac and PC. Moving files off your computer will also help tune up your PC a little bit and will protect your important files from potential damage. Here's how to set up an external hard drive for Mac and PC, Time Machine backup and file storage. You'll learn step-by-step how to format and set partitions. To see the size of a specific file or folder, click it once and then press Command-I. To see storage information about your Mac, click the Apple menu in the top-left of your screen. Choose About This Mac and click the Storage tab. For Time Machine backups, it's good to use a drive that has at least twice the storage capacity of your Mac.

Apple Backup Storage Device

Get 15 GB of free cloud storage today and keep your life connected by downloading Backup and Sync from Google for your Mac or PC computer. The Mobile Drive has a single USB-C port on the back, but LaCie includes cables for both USB-C and the older USB 3.0, so you can use the drive with any Mac or PC.

Select your storage device as the backup disk

When you connect an external drive directly to your Mac, you might be asked if you want to use the drive to back up with Time Machine. Select Encrypt Backup Disk (recommended), then click Use as Backup Disk.

An encrypted backup is accessible only to users with the password. Learn more about keeping your backup disk secure.

If Time Machine doesn't ask to use your drive, follow these steps to add it manually:

1. Open Time Machine preferences from the Time Machine menu in the menu bar. Or choose Apple () menu > System Preferences, then click Time Machine.
2. Click Select Backup Disk (or Select Disk, or Add or Remove Backup Disk):
   
3. Select your external drive from the list of available disks. Then select ”Encrypt backups” (recommended) and click Use Disk:
   

If the disk you selected isn't formatted as required by Time Machine, you're prompted to erase the disk first. Click Erase to proceed. This erases all information on the backup disk.

Enjoy the convenience of automatic backups

After you select a backup disk, Time Machine immediately begins making periodic backups—automatically and without further action by you. The first backup may take a long time, depending on how many files you have, but you can continue using your Mac while a backup is underway. Time Machine backs up only the files that changed since the previous backup, so future backups will be faster.

To start a backup manually, choose Back Up Now from the Time Machine menu in the menu bar. Use the same menu to check the status of a backup or skip a backup in progress.

Learn more

• If you back up to multiple disks, you can switch disks before entering Time Machine. Press and hold the Option key, then choose Browse Other Backup Disks from the Time Machine menu.
• To exclude items from your backup, open Time Machine preferences, click Options, then click the Add (+) button to add an item to be excluded. To stop excluding an item, such as an external hard drive, select the item and click the Remove (–) button.
• If using Time Machine to back up to a network disk, you can verify those backups to make sure they're in good condition. Press and hold Option, then choose Verify Backups from the Time Machine menu.
• In OS X Lion v10.7.3 or later, you can start up from your Time Machine disk, if necessary. Press and hold Option as your Mac starts up. When you see the Startup Manager screen, choose “EFI Boot” as the startup disk.

Backing up your Mac is simple and important. We recommend it for everyone.

Back up with Time Machine

Time Machine is the built-in backup feature of your Mac. It’s a complete backup solution, but you can use other backup methods as well.

Store files in iCloud

You can also use iCloud and iCloud Drive to store files, such as your photos, documents, and music.

Restore your Mac from a backup

When you have a backup, you can use it to restore your files at any time, including after the original files are deleted from your Mac.

Backup Drive For Mac And Pc

Prepare your Mac for service

Making a backup is an important part of preparing your Mac for service, especially because some types of repair might require erasing or replacing your hard drive.

How much space do I need for a backup?

To see the size of a specific file or folder, click it once and then press Command-I. To see storage information about your Mac, click the Apple menu in the top-left of your screen. Choose About This Mac and click the Storage tab. For Time Machine backups, it's good to use a drive that has at least twice the storage capacity of your Mac.

Related topics

Free up storage on your Mac

macOS can save space by storing your content in the cloud. This isn't a backup, but it includes new tools to make it easier to find and remove large or unwanted files before you make a backup.

Erase or format a storage device

You can use Disk Utility if you need to erase or format a storage device.

macOS Community

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Best Cloud Backup For Mac

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