: Select 7-Zip > Extract Here (or to a specific folder).
Knowing the source might help me give you more specific instructions on what the "CH" stands for! CH.7z.004
: If you don't have it, get it from the official 7-Zip website . : Select 7-Zip > Extract Here (or to a specific folder)
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 CH.7z.004
: 7-Zip will automatically look for .002 , .003 , and your .004 file to pull the data together into the final original file. 3. Common Issues