: If you just want to merge them back into a single large archive, you can use the "Combine files" feature within the 7-Zip File Manager. Why files are split this way
The file is the second part of a multi-volume 7-Zip compressed archive. On its own, this file is just a "piece" of a larger dataset and cannot be opened or extracted without the other accompanying parts (at minimum, the first part ending in .001 ). How to use this "piece" MadisonCS36.7z.002
Make them easier to transfer over email or cloud services with file size limits. : If you just want to merge them
Do you have the part of this archive, or are you trying to repair a set with a missing piece? 7z.001 7z.002 7z.003 help please - SourceForge How to use this "piece" Make them easier
: Ensure you have all numbered files in the sequence (e.g., .7z.001 , .7z.002 , .7z.003 ) in the same folder.