If you reformat or replace your Mac, Setup Assistant can be used to copy all (or some) data from a Time Machine drive. If a document exists in the directory with the same name, macOS will ask you what it should do. Once you’re done, click the “Restore” button to copy the file from the backup drive and return it to your Mac’s main drive.
(The same technique can be used if you wish to recover an older version of a file that is still present on your Mac.) Recovering something that was accidentally deleted from your Documents folder is as easy as navigating to that folder and going back until reaching a point in time before the file was deleted. Scrubbing over it with the cursor shows the dates and times of available backups. You can navigate to the folder your file was in with the Finder window, but the real magic takes place with the slider on the right side of the screen. Simply navigate to the Time Machine icon in your Mac’s menu bar and select “Enter Time Machine,” which will bring up this interface:
Recovering a file from a Time Machine backup is brilliantly easy. While in the early days Time Machine was a resource hog, on modern Macs, there’s no real performance hit when the application is running. The drop-down gives information about the most recent backup, and can be used to pause the application if a backup is currently being created. Time Machine is controlled from a simple menu bar application:
SET BACKUP DISK FOR MAC MAC
In short, as long as the Mac can see your Time Machine hard drive, it will take care of backing up for you. If your Mac is asleep or misses a backup for some reason, it will begin to work again as soon as it can.
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Time Machine is designed to run every hour. If you’re setting up a Time Capsule, be sure to check out this article on Apple’s support site for more information. But, since Time Machine only grabs changed files during subsequent backups, future backups should be much, much faster and hopefully will just happen without you even noticing.īy default, Time Machine backs up all files, but you can change this in System Preferences: Depending on the number of files on your computer and the type of drive you’re using, this could take several hours. Once a drive is selected, Time Machine will begin its initial backup. Once you do, macOS will show this dialog box: Simply buy a hard drive and plug it into your Mac. Time Machine is incredibly easy to set up. The bigger the drive, the deeper Time Machine’s archives can go. Since Time Machine will do this until the hard drive it is using becomes full, we recommend dedicating an entire hard drive to it, and one that is at least twice the size of your internal disk. It also means that if you delete a file or folder from your Mac, Time Machine will keep a copy around for a while, giving you a window of time in which it can be recovered. In practice, this means that if you added one sentence to a Pages document every day, at the end of the month, you’d be able to retrieve a copy reflecting each and every edit point. Any time a file is changed, Time Machine backs it up, making recovery of a specific version of a file fast and simple. The best part of Time Machine, however, is its ability to keep multiple copies of files. By default, it will copy everything on your Mac - system files, applications, accounts, preferences, email messages, music, photos, movies, documents, and more. It is automatic, backing up every hour without any user intervention. In a nutshell, this means that if you could snap your fingers and make one Mac user’s main hard drive disappear, there’s a 96 percent chance that you just destroyed files that are completely unrecoverable. That actually doesn’t sound too bad until you get to the next question. Only 80 percent?) Twenty-six percent said they do back up their data.
SET BACKUP DISK FOR MAC MAC OS X
On page 14 of his Mac OS X 10.5 Leopard review, John Siracusa talks about Time Machine (which debuted in 2007 with Leopard) and shares some (pre-Leopard) backup stats of Mac users based on a poll Apple took:Įighty percent of Mac users said they knew they should back up their data. It’s easy to set up and use, and creates an excellent safety net for those who wish to back up their data to a locally-attached external hard drive. Time Machine is Apple’s solution for the everyday Mac customer.
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