Previous Versions
Right-click a document you??™ve been working on recently, select Properties,
and choose the Previous Versions tab. What you see in the File
versions list here depends on several factors.
First, if you??™ve used the Back Up Files wizard described in ???Back Up
Your Entire System,??? later in this chapter, and that backup included the
file you right-clicked, you should see at least one entry marked Backup
in the Location column. (Thus the usefulness of this feature relies on
the scheduled backup system that comes with every edition of Vista
except Home Basic.)
Next, if you have the Business, Ultimate, or Enterprise edition of Vista,
and the file is on a drive protected by System Restore, you should see at
least one entry marked Shadow copy in the Location column.
The Previous Versions feature relies on administrative (hidden)
shares of your drives; if you??™ve disabled them as
described in ???Turn Off Administrative Shares,??? in Chapter 8,
the File Versions list won??™t appear. Furthermore, Windows
will never save previous versions of encrypted files (also covered
in Chapter 8).
324 | Chapter 6: Troubleshooting
To roll back a file to an earlier version, select the backup or shadow
copy you want, and click Restore. Better yet, click Copy (available for
shadow copies only) and restore the old version without overwriting the
new one. If you want to preserve the new one when restoring a backup,
you??™ll either need to make a copy of the file before you click Restore, or
you??™ll need to restore the backed-up file manually (explained later in
this chapter).
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