An AVF file isn’t governed by any single specification because file extensions are merely labels that developers can assign as they like, meaning one .avf might be plain text while another is binary or a disguised variant of another format, and Windows may mislead you by launching whatever app claimed the extension instead of understanding Read more about AVF and Beyond: FileViewPro’s Complete File Support[…]

An AVF file varies completely depending on the software since file extensions aren’t governed, allowing different tools to save entirely different structures under “.avf,” from readable configuration text to binary internal data to repackaged formats, and Windows often complicates things by using file associations instead of content detection; many AVFs serve as helper sidecar files Read more about How FileViewPro Supports Other File Types Besides AVF[…]