What is .CH3 file extension?
.CH3 file extension is a known file type. This section of easyfileopener.com tells you everything you need to know about this extension.
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.
You can see a list of software programs here on easyfileopener.com that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.