Since CHM files are specifically created for the Windows operating system, you won’t be able to open them directly, but we have compiled two different methods that can be used to open CHM files on Mac. So, most of the software that can access these files are highly unmaintained and outdated. Since there has been a major advancement in documentation, CHM is regarded as a retired format.

These files are compressed via the LZX compression. It is officially created by Microsoft and includes files like text, images, and hyperlinks.Īlthough CHM files often open in a web browser, some can be opened by using a CHM reading program or a CHM editor. But before we do that, let’s check out what a CHM file is.ĬHM, or in other words known as the Compiled Help Modules, is a file extension that has been designed to create and save data in a compressed HTML format. In this guide, we will discuss CHM files and see how to open CHM files on Mac. Since many people run into these problems every day, we are here to provide a little help. But some files require a little more effort, especially when you aren’t opening them in their native environment.

If you are someone who deals with different operating systems every day, it would be uncommon for you not to have used various file formats according to your required needs.

Open chm file