How to Backup MacBook Air/Pro/iMac to External Hard Drive with Time Machine
Time Machine is a built-in tool on Mac, which works with internal and external disk drives to backup and restore data for macOS. It's one of the easiest way to save your Mac data to SSD or HDD, including mac apps, media files, DVD backup, documents and other. Follow Mac backup steps with Time Machine below. You have to format your new external hard drive for Mac before backup.
Step 1: Connect external hard drive to Mac via USB, FireWire, Thunderbolt or so, and a message will pop up, asking whether you want to use the drive to back up with Time Machine. Click 'Use as Backup Disk'. You can check the box 'Encrypt Backup Disk' and enter password to encrypt the portable hard drive.
How to Backup a Mac to an External Hard Drive. Insert your drive and use the Disk Utility app to format it. Open two Finder windows. One should show your internal drive, while the other should. Apple has begun to stop installing CD/DVD drives since the introduction of MacBook Air in January 2008. Later, Apple discontinued manufacturing MacBook and iMac with optical drives in 2016 and mid-2011, respectively. With your new Mac devices, you are not able to run CDs or DVDs. For this purpose, you need to rely on external CD/DVD drives.
- Your external hard drive should at least be the same size as your Mac's internal drive. Check out our list of best external hard drive for Mac.
- If you don't see this message, click Apple menu > System Preferences and select Time Machine, click 'Select Backup Disk' and select the external hard drive for Mac backup on the list, and click Use Disk.
- You external hard drive should be formatted as Mac OS Extended (Journaled). If you formatted it as Windows format other improper formats, you have to erase and reformat the external hard drive with Disk Utility. If so, back up your current data on the external storage device as reformatting will erase all the data.
- Time Machine will use up all the storage on the external hard drive. If you don't want the backup take up all the space on the drive and need to store other data on this drive, follow to partition external hard drive on Mac with Time Machine.
Step 2: Check the box 'Back Up Automatically' and Time Machine will auto backup your Mac computer. Time Machine keeps hourly backups for the past 24 hours, daily backups for the past month or weekly backups for all previous months, and the oldest backups will be deleted when the external hard drive has no free space. Learn how to free up disk space on Mac.
- Click Time Machine menu, you can start your Mac data backup now without waiting for auto backup.
- Turn off Time Machine to stop backing up, or deselect Backup Automatically under Time Machine preferences on macOS Sierra to disable Time Machine. You can select Skip This Backup to cancel backup procedure.
- Go to TimeMachine preferences under the Time Machine menu, click Options, '+' icon and select any item you want to exclude from this backup.
Yo just got a new external hard drive and want to use it on your Mac. However, the Mac OS does not allow you to write data to the drive. You may wonder how to reformat an external hard drive on Mac. Follow the tutorial below, you'll get everything covered.
Bonus: How to Recover Data from Formatted External Hard Drive on Mac
Reformatting an external hard drive for use with Mac OSX is not as difficult as it might seem. In a few simple steps you are ready to go and can save your back-up files to the external drive, keeping your information safe and giving you peace of mind. Keep in mind that a MAC can generally read other file formats, but for the best performance and to create a bootable disk, formatting exclusively for MAC is required.
Part 1: Which File Format You Should Choose?
Before you begin formatting the drive, there are a few things to do. The most important, you should decide which format to use.
There are a few file formats you can use, but it depends on the purpose you want to use the drive for. Which one is right for your circumstance? We'll describe them here, you'll know your choice after reading the details.
APFS: This is the default file system in Macs with High Sierra. It is efficient and reliable. However, it won't be readable and usable on machines that are not running Mac High Sierra, and Windows or Linux PCs. What's more, it is compatible with SSD and flash storage devices only.
Mac OS Extended (Journaled/HFS+): If you didn't update your Mac OS to High Sierra, the default file system on your Mac shoule be Mac OS Extended. Mac OS Extended (encrypted) would be an ideal option if you probably carry your laptop or external drive here and there. You can encrypt it so that no one can access the contents on your drive.
MS-DOS FAT (aka FAT32): In addition to Mac, it can also be written and read by Linux and Windows. It enables you to regularly share files with your friends who own a PC. Nevertheless, this older file system is limited to no more than 4GB and there might be security issue and disk errors.
ExFAT: It is similar to ExFAT which can be read by both Windows and Mac, but it can store more than 4GB files.
NTFS: As the default file system in Windows, it can only read by Mac OS, writing to it is not available. Luckily, there are third-party tools to help you do so.
Part 2: Format External Hard Drive for Mac with Disk Utility
Formatting an external hard drive would erase everything on it. Hence, you must backup your important files before reformatting the drive if you want to save them. The easiest way is to drag it from one drive to another.
All is set, then you can go ahead to format the drive on your Mac. Disk utility - the MacOS utility application can help you with this. Just follow these steps below:
Step 1. Connect the external drive or the USB drive to the MAC.
Step 2. Start the Disk Utility, located under Applications > Utilities.
Step 3. Find the name of the drive in the left side of the Utilities window and select it. And click Erase button.
Step 4. Follow on-screen prompts to choose Mac OS Extended (Journaled) file system and allow the disk to format.
Bonus: How to Recover Data from Formatted External Hard Drive on Mac
External Hard Drive For Mac
In case you forgot to backup files before formatting the external drive. Here comes the cure - iMyFone AnyRecover - a one-stop solution to recover deleted, lost or formatted files from Mac.
Follow these simple steps using AnyRecover to get your files back!
External Hard Drive Mac And Pc Compatible
Get Ready!
First, download and install AnyRecover, following on-screen prompts to accomplish the task.
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Get Set!
1. After loading AnyRecover, plug your external hard drive into your Mac directly or via USB.
2. Next select the drive under 'External Removable Devices' tab, click 'Start' to begin scanning lost files on the drive.
Go!
1. AnyRecover takes a moment to scan your drive. Once done, it will list out all scanning results by file type.
2. Double click a single file to preview it before recovery.
3. Select the files and press Recover to get them back.
What If?
What if my files were not found? Fear not. We can take this a step further. Enable 'Deep Scan' to try one more time, follow the steps above just as before to locate and recover your files.
It is plain to see that AnyRecover for Mac is a tool worthy of top shelf treatment in your arsenal of items that are used to defend, recover and keep your system up and running. Don't get caught without the file you need for that meeting or stumbling looking for baby photos that were stored on disk and suddenly 'hid' from your view. Allow AnyRecover to find and recover your lost files. AnyRecover is easy to use but provides sophisticated results that mean you know what you're doing!
