Help! I Can’t Open CPI Files!

There are many reasons why your CPI file might not open on your computer. If you have CPI files that don’t open when you double-click it, ask yourself the following questions...

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Do I have the right program?

If you don’t have a program installed on your computer that’s compatible with CPI files, you won’t be able to open one. See if you have one of the most common programs associated with CPI files listed below.

  • Cartesian Products Compressed Internet Document
  • Sietronics CPI XRD Document
  • Windows International Code Page
  • Calamus Graphic
  • ColorLab Processed Image
  • AVCHD Clip Information

What type of file is it?

When you can’t open CPI files, try to figure out the file type. This can help you find the right program to open it. Usually, CPI files are considered System Files. However, you can look up the file type to be sure. Start by right-clicking the file icon and clicking “Properties” (“More Info” if you’re on a Mac). Then look for the file type under “Type of File” (“Kind” on a Mac).

Can a developer help?

When you can’t open CPI files, a software developer might be able to help. The developers for the programs mentioned above are as follows:

Software Developer
Cartesian Products Compressed Internet Document Cartesian Products Inc.
Sietronics CPI XRD Document Sietronics Pty Ltd
Windows International Code Page Microsoft Corporate
Calamus Graphic invers Software
ColorLab Processed Image Unknown
AVCHD Clip Information Windows Programmer

Try contacting one of these developers to find out how you can open your CPI file.

Can I use a universal file viewer?

A universal file viewer is the way to go when you have CPI files that can’t be opened by any other program. Install a universal file viewer like File Magic (Download) and see if it will open your CPI file. Remember that if your file is not compatible, the universal file viewer will only open it in binary format.


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