: You need all parts of the archive (e.g., ADI.7z.001 , ADI.7z.002 , ADI.7z.003 , etc.).
To successfully extract the contents of this archive, you must satisfy several conditions: ADI.7z.001
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 : You need all parts of the archive (e
: The file extensions must remain sequential (starting at .001 ) and the base filenames must be identical. How to Open the File ADI.7z.001