Double-check that all files have the exact same name prefix ( TPI_L.7z ). If one is named differently, 7-Zip won't recognize it as part of the set. Why Split Files?
When developers or archivists want to share massive datasets—like the "TPI_L" package—they often use 7-Zip to split the archive into several volumes. TPI_L.7z.003
Splitting files into parts like .003 is common for bypassing file size limits on cloud storage or ensuring that if a download fails, you only have to restart one small segment rather than a 50GB behemoth. Double-check that all files have the exact same
Blog Post: Mastering Multi-Part Archives: Dealing with .7z.003 Files TPI_L.7z.003