Open PCT files

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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.

What is PCT file?

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

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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The PICT format has now largely been replaced by the more flexible PDF.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 file with PCT extension?

In order to open a file with PCT extension one of the following programs must be installed on user’s system. If a problem with opening PCT file occurred, it is highly possible that none of the listed programs is present on user’s system. Even if one or more said programs are installed, there may be issues related with given programs. In order to solve a problem with PCT files, follow the instructions below.
Install Apple Preview or other program from the list

Most often resolving problems with opening PCT files is very simple. Just install an appropriate program that supports such files. All of the listed programs support PCT files, but may vary in offered function and purpose. Some programs may be capable only of viewing contents of PCT files or offer file conversion options, but may not be capable of editing such files.

Set Apple Preview as the default program for opening PCT files

It is possible that although a compatible program has been installed on user’s system, it is not used by the system to open it. This may happen because no default application was associated with this type of files. To associate PCT files with given application, select "Open with" from drop-down menu (accessed by right-clicking on the file). Then select from the list the program or application you want to be used to open this type of file. If the Apple Preview applications is not on the list, select "Browse" option in order to manually locate the directory where Apple Preview has been installed.


Check the section that lists most common problems with PCT files

Sometimes problems with opening PCT files may not lie with the application itself, but can arise due to other causes, such as:

  • File data is corrupted
  • PCT files has been not been completely download from the internet (only a part of the data has been downloaded)
  • Currently used user account hasn’t been granted necessary privileges to open PCT files (should that be the case, please contact your system administrator or IT specialist)
  • PCT file was being copied from a corrupted storage device and is incomplete or data is corrupted. (Copying files from unknown or untrusted sources should be conducted with great care as such files may contain malicious software, which can damage your system)

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