Basic information about CHI file

When there is a problem with opening files with the file extension CHI（*.CHI or *.chi）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the CHI file yourself.

There are 5 file types using the CHI file extension in our database. In the further part of this page, you will find detail information about all the CHI file with their brief description and a list of programs that support CHI file sorted by operating systems. The table below provides useful information about the CHI file extension. It answers questions such as:
  • What is the CHI file?
  • How to open a CHI file?
  • What programs do I need to open a CHI file?
  • What programs help to create and edit a CHI file?
  • How to convert CHI files to another file format?
  • How to convert another files to CHI file format?


1.Detail information about CHI file extension: ChiWriter Document File

File type ChiWriter Document File Category Page Layout Files
Developer N/A File format N/A
Description CHI file is a ChiWriter Document File. The chi file extension was also used by ChiWriter, a scientific word processor that was sold by Horstmann Software Design Corporation between 1986 and 1996. A *.chi file was the default document format of ChiWriter.
Software programs that will open, edit or convert CHI files


2.Detail information about CHI file extension: Microsoft Help File Index

File type Microsoft Help File Index Category Misc Files
Developer N/A File format N/A
Description CHI file is a Microsoft Help File Index.
Software programs that will open, edit or convert CHI files

Windows		 Microsoft Windows Help
Microsoft Windows Help
Microsoft Windows
Visual FoxPro


3.Detail information about CHI file extension: TOMBO Encrypted File

File type TOMBO Encrypted File Category Encoded Files
Developer N/A File format N/A
Description CHI file is a TOMBO Encrypted File.
Software programs that will open, edit or convert CHI files

Windows		 TOMBO


4.Detail information about CHI file extension: Chinese Localization Language File

File type Chinese Localization Language File Category Misc Files
Developer N/A File format N/A
Description CHI file is a Chinese Localization Language File.
Software programs that will open, edit or convert CHI files


5.Detail information about CHI file extension: CUHP Input File

File type CUHP Input File Category Misc Files
Developer N/A File format N/A
Description CHI file is a CUHP Input File.
Software programs that will open, edit or convert CHI files



Can't open a CHI file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.CHI”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the CHI extension without any issue.


Where I can download the application that support CHI file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of CHI files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a CHI file?

The reasons for the lack of the ability to open a CHI file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a CHI file. If there is still something wrong, you might want to check:

  • Whether the CHI file is damaged.
  • Whether the CHI file is incorrectly linked in the registry entries.
  • Whether the CHI file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the CHI file format is incompletely.
  • Whether the CHI file is infected.
  • Whether the drivers of the equipment used for opening a CHI file are up to date.
  • Whether your computer has enough hardware resources to open a CHI file.

If the CHI file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.