You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip.

: It offers higher compression ratios than standard ZIP files, making it ideal for large video assets or high-resolution images.

: If you encounter files named Movie_Magic.7z.001 , it indicates a "split" archive, meaning you need all numbered parts in the same folder to extract the contents. Contextual Uses in Filmmaking