: If you only have the .001 file and the archive was originally split into multiple volumes, it cannot be opened. Reliable Tools Windows : The official 7-Zip tool is free and open-source.
: Right-click on the first file, DS_143_M.7z.001 . DS_143_M.7z.001
: Select 7-Zip > Extract Here or Extract to "DS_143_M/" . The software will automatically detect and combine the remaining parts to recreate the original file. Common Issues : If you only have the
