: If you are missing even one part (like .002 ), the extraction will fail with a "Data Error" or "Unexpected end of data."
Knowing the source might help me give you more specific instructions on what the "CH" stands for! CH.7z.004
: If the extraction fails at exactly 75% or 80%, there is a high chance that your specific CH.7z.004 file is corrupted and needs to be redownloaded. : If you are missing even one part (like
: If you don't have it, get it from the official 7-Zip website . To use this file, you must have all
To use this file, you must have all the other parts in the same folder. Look for files named: CH.7z.001 (This is the "master" part) CH.7z.002 CH.7z.003 ...and any subsequent parts until the sequence ends. 2. How to Reassemble and Extract
: Right-click on the first file in the sequence ( CH.7z.001 ).
: All parts must have the exact same name (except for the extension) for the software to recognize they belong together.