Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .ch3

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .ch3 file?
  • Which program can create the .ch3 file?
  • Where can you find a description of the .ch3 format?
  • What can convert .ch3 files to a different format?
  • Which MIME-type is associated with the .ch3 extension?
Harvard Graphics 3.0 Chart .ch3 file icon

Harvard Graphics 3.0 Chart

CH3 file is a Harvard Graphics 3.0 Chart. Harvard Graphics was a pioneering presentation program developed for DOS and Microsoft Windows.
Category: Document files
Application: Harvard Graphics
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Corel Presents Presentation
Microsoft PowerPoint Presentation
Corel Presentations Document
OpenDocument Presentation
Corel Presentations Template
StarOffice Packed Presentation
StarOffice Presentation
Microsoft PowerPoint 2007 Presentation
Microsoft PowerPoint 2007 Presentation

Other types of files may also use the .ch3 file extension. If you have helpful information about .ch3 extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Eudemons Online 3D Model
CliBench Mk III Data
Cabri 3D Document
Scitex Continuous Tone
Stitch & Sew Embroidery Design
Borland Language Stroke Font
Compiled HTML Help Index
CaseMap 3 Data
Cn3D Data

The .ch3 filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

chw (1), che (1), cg3 (1), c3 (1), hc3 (1), cy3 (1), ct3 (1), cm3 (1), chr (1), ch (1), cb3 (1), sh3 (1), h3 (1), cu3 (1), cn3 (1)

Can't open a .ch3 file?

If you want to open a .ch3 file on your computer, you just need to have the appropriate program installed. If the .ch3 association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.ch3

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

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.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android