As a .7z.001 file, it uses the LZMA/LZMA2 compression algorithm, which provides a high compression ratio. This is ideal for reducing the download size of massive assets [1, 2].
I had some trouble at first because I didn't realize you need every single part downloaded before 7-Zip will even recognize the first one. [2] Lrpsgp2 7z 001
Multi-part archives are prone to corruption if a single segment is missing or has a mismatched hash. It is highly recommended to verify the file integrity using a CRC or MD5 check if the source provides one. Community Perspectives As a .7z.001 file