Recover Files with Previous Versions (Volume Shadow Copy) in Vista Home Basic and Premium with ShadowExplorer

Volume Shadown Copy (VSS or Shadow Copy for Shared Folders prior to Vista) or more commonly known as Previous Versions which used as the name for right click context menu command and for one of the tab for files and folders properties, is a useful feature that automatically or manually backup copies or snapshots of files or folders on a specific volume or drive at a specific point in time incrementally so that users can quickly and easily restore or recover (or go back to) the older versions of files or folders in future when needed. When will you need to use Previous Versions? On time such as accidental file deletion or modification of documents and files.

Unfortunately, Microsoft decides to support Previous Versions feature only in the Ultimate, Business, and Enterprise editions of Windows Vista. Windows Vista Home Basic and Home Premium editions are left out in the cold, probably to encourage sales and upgrade to Ultimate edition. However, the baffling point is that the Shadow Copy Service (VSS, also known as Volume Snapshot Service) is actually included in Vista Home Premium and Basic, up and running by default. The Shadow Copy Service is used by both Previous Versions feature and Vista’s backup utility, System Restore, which enabled in all editions of Vista.

The worst part is, although Previous Versions feature in not enabled in Vista Home Premium and Basic, but the snapshot backup of Shadow Copy actually includes all files including user data files, which is not necessary for System Restore function. This behavior eats up plenty of hard disk space and system resources, yet users cannot access the backups of these user data files in the event they need it most.

It looks like Microsoft simply remove the graphical user interface (GUI) of Previous Versions that allows users to recover restore lost or changed or altered files in Vista Home Basic and Premium editions, with all other background process running intact. This arrangement of saving and keeping backups of user files but hide the user backups probably is to ‘please’ users who decide to upgrade to Vista Ultimate edition using Windows Anytime Upgrade, where changes to older versions of user data files prior to upgrade can still be found. It can be also that programmers of Vista too lazy to ‘fine tune’ VSS to exclude users data files from backup.

Thus, to access the Previous Versions or Shadow Copy backup of user data files, users have the option to upgrade to Vista Ultimate, which is expensive. In this case, ShadowExplorer can come in handy.

Side note: From security point of view, it’s best to turn off Shadow Copy (include both System Restore or Previous Versions) if you’re not actually using it, especially in Vista Home Premium and Basic, since you’re not aware that copies of files have been saved as backup, nor can see, view, use, access, remove or delete them without advanced technical skill.

ShadowExplorer takes advantage of the Vista Volume Shadow Copy service and the backup snapshot copies that created by it to allow users to browse the shadow copies. ShadowExplorer can access the shadow storage, which often off-limit to novice users due to complex permissions and rights issues, and make the point-in-time copies accessible to the users. Thus, ShadowExplorer is especially useful for Vista Home Basic and Premium users who do not have Previous Versions feature, but need to recover or get back earlier version of accidentally edited documents, or retrieve lost deleted files. Shadow Explorer can retrieve all versions of files and folders saved by VSS.

Download ShadowExplorer-0.1-setup.exe. Future upgrade can be found here.

Unfortunately, users will need to run ShadowExplorer as administrator to access Shadow Copies and recover old files. It’s a little inconvenient than the contextual based Previous Versions built in Vista Ultimate, Business and Enterprise. But it’s better than no access and no hope at all.

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This entry was posted on Monday, February 18th, 2008 at 12:48 am and is filed under Windows Vista. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.