PCT File format and can be opened with Mac PICT format editing software. File Format Compatibility — File Magic A PICT image has the same basic file format as PCT file. File format can be saved to PCT images. How can I open a PCT file? — Windows P2P — Macintosh PICT — Mac Image — Mac Quicker How many times a day do you open PCT files? — Every hour or so How do I open PCT files? — Mac PICT How can I open pct files using View or Photoshop? — Open In: How can I open pct file using Paint Pro CS? — Open In: How to Open PCT File Format: The image is stored like this: The PICT file is a compressed format that uses a compression algorithm called “Compression Algorithm Version 2”. When you open a PCT file, it is stored with a PICT header that contains The PIC code The Image file itself is called This image file format is used for storing images in the Macintosh PICT format. Mac PICT, or Picture Format, is a standardized format developed for storing PICT files in Mac files. Mac PICT is a compressed image file format which is compatible with both pct file format and Macintosh Quicker. Mac PICT is compatible with Apple Quicker, a set of applications built for quickly accessing images. Machine is written in Hypertext, a language developed by Apple to support Mac. Many people say that Machine files are easier to format than pct files because Machine files don't have the graphics in them. Machine is not just another file format, it is also available for the PC PaintBitmap, Paint Shop Pro, and Adobe Acrobat. It is the file format of choice for all computer applications and software. Mac PICT files are also available for the Apple Mac Quicker software and Adobe Acrobat. PICT Header The PIC code is one of the most important areas of image file. This code is the unique identifier (AUDI or file number). It is used by Apple-developer applications and other program to find out what type of image file is presented on the computer. The PICT header is a series of lines and colons separated by colons.