Short description of DiskInternals ZIP Repair 1.0: When instead of ZIP archive contents you see a message "Cannot open file: it does not appear to be a valid archive", it means that the archive is damaged and needs fixing. In such a case use DiskInternals ZIP Repair to scan the file and extract its content to a new archive. The freeware engine restores the integrity of your archive and moves its contents to a new one. Its wizard-like interface makes ZIP recovery no more than a snap!