.WBCAT File Extension

Backup information file created by the Windows Backup and Restore application; stores a catalog of files created for the backup; created with several .ZIP files, which contain the system and user files for the backup.

When a WBCAT file is opened, the Windows Backup and Restore application uses the catalog to restore backed up files into their appropriate locations. WBCAT files are saved to the \Catalogs\ directory of the backup media and have the name GlobalCatalogs.wbcat.