Basic information about CH3 file

When there is a problem with opening files with the file extension CH3（*.CH3 or *.ch3）, 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 CH3 file yourself.

There are 1 file types using the CH3 file extension in our database. In the further part of this page, you will find detail information about all the CH3 file with their brief description and a list of programs that support CH3 file sorted by operating systems. The table below provides useful information about the CH3 file extension. It answers questions such as:
  • What is the CH3 file?
  • How to open a CH3 file?
  • What programs do I need to open a CH3 file?
  • What programs help to create and edit a CH3 file?
  • How to convert CH3 files to another file format?
  • How to convert another files to CH3 file format?


1.Detail information about CH3 file extension: Harvard Graphics DOS Chart File

File type Harvard Graphics DOS Chart File Category Page Layout Files
Developer Harvard Graphics File format Binary
Description CH3 file is a Harvard Graphics DOS Chart File developed by Harvard Graphics. Presentation file created by Harvard Graphics DOS software, which is used to create presentations; contains a series of "charts," or slides, which contain formatting, graphics, and text; used for storing and displaying oral presentations.
Software programs that will open, edit or convert CH3 files

Windows		 Harvard Graphics 98
Harvard Graphics Chart XL
Corel Presentations X8
ACD Systems Canvas X 2017
Harvard Graphics ChartXL
WordPerfect Office



How to convert another files to CH3 file format?

There are 1 records in our database eligible for another files to CH3 file format conversion. If you want to achieve another files to CH3 conversion, you may use the option.

CHT to CH3


Can't open a CH3 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.CH3”。

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 CH3 extension without any issue.


Where I can download the application that support CH3 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 CH3 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 CH3 file?

The reasons for the lack of the ability to open a CH3 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 CH3 file. If there is still something wrong, you might want to check:

  • Whether the CH3 file is damaged.
  • Whether the CH3 file is incorrectly linked in the registry entries.
  • Whether the CH3 file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the CH3 file format is incompletely.
  • Whether the CH3 file is infected.
  • Whether the drivers of the equipment used for opening a CH3 file are up to date.
  • Whether your computer has enough hardware resources to open a CH3 file.

If the CH3 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.