To help avoid the loss of important data, you should back up your files regularly. Windows Live OneCare automatically creates a backup plan based on the type of hardware that you have connected to your computer. For more information about supported backup devices, see Supported backup devices. You can back up files on separate computers, or you can use a central backup device (The backup files are stored on a central device that all computers in a OneCare circle can use.) for all of the computers in your OneCare circle (A small network of computers that share the same Windows Live OneCare subscription.) .
To back up your files:
Open OneCare.
Create a new backup plan (A collection of backup settings in Windows Live OneCare that you can choose from to select the types of files that you want to back up, the location where you want to store the backup, and how often you want to run the backup.) or review the default backup plan. For more information, see Create a backup plan.
In the OneCare main window, in the Backup and Restore area, click Start backup.
Select this option if you want to perform an incremental backup (Backs up only those files that have been created or changed since the last full backup.) .
Click Express backup.
Click Start backup.
To see which files were backed up, after the backup finishes, click View details.
Select this option if you want to back up all the files that you selected in your backup plan (A collection of backup settings in Windows Live OneCare that you can choose from to select the types of files that you want to back up, the location where you want to store the backup, and how often you want to run the backup.) .
Click Start a new backup.
Click Start backup.
To see which files were backed up, after the backup finishes, click View details.
Click Finish.
Notes
OneCare backs up your data files, such as documents or pictures, but it doesn't back up files for your operating system. If your computer suffers a major data loss, you'll have to reinstall any affected software and possibly the Microsoft Windows operating system.
OneCare makes a full backup copy of all the files and folders that you selected in your backup plan the first time that you perform a backup. If you use a disc burner (A disc drive that writes or records information in addition to reading it (such as a CD-R, CD-RW, DVD-R or DVD-RW drive).) as a local backup, OneCare also makes a full backup during your yearly backup (A full backup of the important files and folders on your computer that starts a new backup collection. The yearly backup is the first backup after the beginning of the year.) . Normally, backups outside of these times are incremental backups (Backs up only those files that have been created or changed since the last full backup.) .
A OneCare backup temporarily requires an amount of free space on your hard disk (Used for long-term storage and retrieval of data needed by your computer. Your programs, operating system, and most of your files are stored on your hard disk.) approximately equal to the size of the files and folders that are being backed up. If you receive an error saying that you don't have enough free disk space, run Disk Cleanup to create more space on your hard disk, or select fewer files at a time for backup.
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