How The Backup Function Works - Western Digital WDA4NC20000 - ShareSpace NAS 2TB HD 1TB x 2 RAID User Manual

In the Content Gauge for your computer's hard drive, all of your files that are
available for backup display against a blue background in six categories where:
This file category
Documents
Mail
Music
Movies
Pictures
Other
For a complete list of all included file extensions, search for Answer ID 3644 in the
WD Knowledge Base at http://support.wdc.com.
Note that:
Moving the pointer over a category displays the number of files in the
category.
The System category, shown against a dark gray background, includes all of
your operating system files that are not available for backup. Files that are not
backed up include system files, program files, applications, and working files
like .tmp and .log files.
The Retrieved category, also shown against a dark gray background,
includes the files that you have retrieved from a prior backup. They, too, are
not available for backup.
Note: Additional Files are files outside of the backup.

How the Backup Function Works

The WD SmartWare software automatically and continuously backs up all of your
important data files to the My Book Live drive—music, movies, photos, documents,
email, and other files.
After the WD SmartWare software categorizes the different types of files on the
selected hard drive, clicking the Start Backup button backs all of them up. Or you
can select specific files, folders, or categories of files to back up.
If your computer has more than one internal hard drive, you must select and back up
each one to protect all of the data files on your computer.
After performing a backup, the WD SmartWare software protects your files by
backing up any:
New file that is created on or copied to your hard drive
Existing file that is changed in any way
MY BOOK LIVE
USER MANUAL
BACKING UP AND RETRIEVING YOUR COMPUTER FILES
Includes files with these extensions
.doc, .txt, .htm, .html, .ppt, .xls, .xml, and other document
extensions
.mail, .msg, .pst., and other mail extensions
.mp3, .wav, .wma, and other music extensions
.avi, .mov, .mp4, and other movie extensions
.gif, .jpg, .png, and other picture extensions
Others that do not belong in the five main categories
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