Because the string combines and zip , your request most likely refers to one of a few highly specific technical scenarios where these two terms cross paths: 💽 1. Legacy Drive Image Segment Files (.c24)

When creating large backup images, the software would split massive files into smaller chunks (like .c01 , .c02 ... .c24 ).

These are not standard compressed ZIP folders and cannot be opened with WinZip or 7-Zip. They must be opened or restored using the original backup utility. 🎛️ 2. Yamaha Pocketrak C24 OS Updates

If you are working in engineering, construction, or architectural modeling:

You can find documentation and the legitimate download files hosted directly on the Yamaha Support Portal . 🌲 3. C24 Structural Timber ZIP Files

If you are trying to download or extract the software system for a portable recorder: The Yamaha Pocketrak C24

If you are looking at a file ending in .c24 that you are trying to extract like a normal ZIP archive:

Engineering libraries or suppliers often package massive folders of CAD drawings, Revit files, or structural spec sheets relating to C24 timber grading into a single ZIP archive for easy sharing.