Backing up data is one of the most important and necessary tasks during the process of using computers. Time Machine is the built-in and fabulous backup application since OS X 10.5 (Leopard). It works with your Mac and an external drive to save important data regularly. This article tells you how to use Time Machine to backup Mac hard drive and external hard drive. And it shows you tips on how to recover Mac data when you failed to use time machine backup Mac.
Mac Time Machine overtakes other backup software because it can automatically backs up your entire Mac, including system files, applications, accounts, preferences, email messages, music, photos, movies, and documents. It works on Mac OS X 10.5 Leopard, 10.6 Snow Leopard, 10.7 Lion, 10.8 Mountain Lion, 10.9 Mavericks and the latest 10.10 Yosemite. With several clicks, you can set the backup and be pleasure to use your Mac.
If you have more than one external drive attached you can backup external drive with Time Machine as well. But Time Machine will not backup any drive, internal or external drives that are not formatted to HFS+. Therefore, if you would like to backup external hard drive with it, first you need to format your external hard drive. Then remove the external drives from the excluded list. Then follow the steps above to back up external hard drive with Time Machine.
Exclude items you don't need: If you don't need to save some items, you can select items to omit from your system's regular backups. Go to Time Machine preferences pane and click "Options". Then click the plus-sign (+) button under the list labeled "Exclude these items from backups". From there, pick and choose the items you'd like to leave out, and click "Exclude" when you're finished. In the large Exclude list, you'll see the folders or individual files that you selected. You can change your mind about these at any time by selecting a file and clicking the minus-sign (-) button.
Erase older backups without interruption: When your external drive gets full, Time Machine will automatically erase older backups to make room for new ones. The default setting is for the program to notify you when it has deleted an older backup, but if you don't need this information, uncheck the box next to "Notify after old backups" are deleted in Time Machine's preferences.
Backup on battery power: If you're a MacBook user, you can also choose to back up while using battery power. Go to Time Machine's preferences, click "Options", and select the "Back up while on battery power" option. By default, Time Machine will back up only when your laptop is connected to AC power, to ensure that your MacBook stays powered during the backup process. If the battery drains completely during a backup, the backup won't be complete and may get corrupted.
Have you ever got dreaded error message like "Backup failed with error: 11" when using time machine backup files. Did you failed to perform a backup because there is not enough space on the backup disc. If you have failed to backup your Mac and lost some important files, how can you get them back? Fortunately, there are many Mac data recovery software available on the internet. Data Recovery for Mac is the most popular Mac file recovery utility with the friendly interface as well as powerful data recovery capacity.
Well, regularly using Time Machine to backup your files on Mac. Leave your external drive plugged in as much time as possbile -- Time Machine will launch automatically and perform backups hoursly. Or manually start a backup by clicking the "Time Machine" icon in the menu bar and selecting "Back Up Now".