.FUL File Extension
File TypeMicrosoft Backup File List
What is a FUL file?
Contains a list of files backed up using Microsoft Backup (MSBackup for MS-DOS or MWBackup for Microsoft Windows); referenced by both backup programs when restoring backed up files.
NOTE: The FUL file contains only references to the backed up files, not the files themselves. File backups may have extensions such as ".001," ".002," etc.