File Extension PCT

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Have you encountered a problem with a PCT file? Don’t you know which program opens a file with this extension? You will find all the information you need about working with a PCT file here. In the further part of this page we have added a list of programs that should open your PCT file. It is enough you choose a proper application for your operating system, download and install it.


The extension PCT denotes a Macintosh PICT images file. These files are also known as QuickDraw files.

This format was developed on the Apple Macintosh and was used to record sequences of QuickDraw commands.

PCT files may include vector graphics or bitmap images. Thanks to the standard nature of PICT files as part of Quicktime, almost any graphics program on the Macintosh can open those files. There, however, usually the ending pict is used.

There are two variants of a format. The older Pict 1 could only store 8 bit graphics, while Pict 2 also has 24 or 32 bit color depth.

The PICT format has now largely been replaced by the more flexible PDF.

Programs which can open a PCT file

How to open a PCT file? Advice and guidance

Absolutely most often appearing reason that prevents you from opening the PCT file is the lack of a proper application to support it in your operating system. It is notably the first thing you need to address. When one of the programs to support a PCT file from the list is already installed, you can try to rerun the file. The system should display a message asking you to choose a primary application to support PCT files. At this point we are looking for disk space where the application was installed in and we can link it with a PCT file. Since then, our operating system will use the selected program to support all PCT files.

Other issues

Despite the described problem with PCT there may be many more problems. If the existing operations were not effective, get involved with the following matters:

- verify that the PCT file is not damaged and that it has been downloaded or copied in whole
- verify that the file has a file extension that has not been intentionally changed (for example, if it do not contain other information than its extension suggests)
- make sure again whether the PCT file type is linked in the operating system with a proper program
- make sure that the file is not infected with a virus and you have up to date software and drivers.

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