: If you only have the .002 file, you will receive an "Unexpected end of archive" or "Can not open file as archive" error, as the header information required to read the data is stored in the .001 file.
: Use a tool like 7-Zip or WinRAR and attempt to open only the .001 file. The software will automatically detect and link the subsequent parts (like your .002 file) to reconstruct the full archive.
: Once the first part is opened, use the "Extract" command to generate the actual files contained within the compressed package. Troubleshooting