: You need all parts of the archive (e.g., ADI.7z.001 , ADI.7z.002 , ADI.7z.003 , etc.).
You can use the free, open-source 7-Zip utility or other archivers like PeaZip . A Review of 7-Zip, a Free File Extractor Program - Lifewire ADI.7z.001
: The file extensions must remain sequential (starting at .001 ) and the base filenames must be identical. How to Open the File : You need all parts of the archive (e
: All parts must be stored in the same directory for the extraction software to recognize them as a single set. etc.). You can use the free