https://www.fileviewpro.com/en/file-extension-cf2/
FileViewPro is a versatile, all-in-one file viewer created to open and manage a wide array of file types effortlessly, including CF2 files, a format essential for designers, printers, and manufacturers. CF2, or Common File Format 2, is extensively utilized in the packaging and printing industries for its consistent way of encoding 3D packaging designs, dielines, and folding box structures. FileViewPro makes accessing CF2 files simple, eliminating the need for specialized software by enabling direct viewing, analysis, and handling of th