Makes images look fuzzy due to compression algorithm, but very common. A standard used to encode attachments for use with email. Standard movie format. QuickTime Movie, Apple's movie format. Portable document format used to publish many documents on the web.
Graphics format similar to gif.
Postscript file, used for printing documents. Stuffit self-extracting archive. Compressed files common to Unix. Conversion Plus .tiff High quality image format. Paint Shop Pro .txt Plan text file.