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on Archives see the Help menu in Retrospect Express.)
Duplicates and Backups are the most common operations used for data backup; they
are described below.
About Duplicates
The Duplicate operation is essentially a "smart" copying process. Files and folders
from the source volume (e.g. your computer's internal hard drive) are copied to your
AcomData Drive. Duplicated files and folders can be viewed and utilized just like the
original source file because a duplicate is a straight copy of the source file.
The Duplicate process saves space by overwriting old versions of duplicated files with
the latest versions from the source volume. It also saves time by copying only files that
are new or that have been changed since the last backup.
If you erase a file or folder on the source volume, the duplicated file or folder on your
AcomData Drive will also be erased the next time you press the PushButton™. In this
way, the backup is always an exact duplicate of the source. You can restore duplicated
files simply by dragging and dropping them back onto your computer's hard drive.
The Duplicate operation is best suited for users who need quick access to their backed
up files and who do not need to backup their operating system or application files.
About Backups
The Backup process "packages" backed up files into a Backup Set. Files in a Backup
Set are not accessible via the desktop. They are only accessible via the Retrospect
user interface. To retrieve a file in a Backup Set, you need to "restore" the file using
Retrospect's Restore function.
Instead of overwriting previously backed up files with the latest versions, with
Backups all previous versions of backed up files are saved, which allows you to restore
multiple versions of the same file as it has changed over time.
As well as backing up your files, Backups can also save other types of data, including
user settings, applications and their settings, and the operating system and its set-
tings (including the registry). This information is invaluable if you need to perform
disaster recovery on a computer that has become unresponsive. Backup Sets can be
compressed to save space, and encrypted for added security.
The Backup operation is best suited for users who want to backup their entire startup
disk.
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