Save CHM file in well formatted PDF, nothing will lose in the PDF output.To convert CHM to PDF on mac for reading, all you need is a PDF Creator for Mac, it can: Since PDF is worked as the standard file format with easy access and high flexibility, even, users won't run into the problems of poor reading experience in differnt viewers or platforms. If you want to open CHM on mac across different Apple devices, or want to open CHM files on mac without any mess in format or layout, you are recommended to save CHM as PDF, then read the files in PDF format. Use PDFMaster for Mac to Open CHM files on Mac Each approach has its advantages and you will need to decide which one is most appropriate for your actual situation. One is using a CHM reader Mac, the other one is using a PDFMaster. Not long ago, I also had the same problem, I found there are two methods to open CHM on Mac OS and I tried both. Okular is the most powerful universal document reader capable of opening CHM files.In business activities, we usually receive some files in CHM formats from customer, but for Mac users, they can't open CHM files directly without CHM reader Mac. The archives are compressed using a variant of the LZX algorithm.Ī minority of free software document readers are capable of opening CHM files. Documents can contain hyperlinks to other HTML documents within the archive. Many older e-books about programming, the Internet and computer-related subjects in general are stored in the CHM format.ĬHM files are archives with documents formatted using simpler mostly-standard early HTML. It was, during its prime-time which lasted from around 1999 to 2010, used to store and distribute a lot of e-books and other documents. It was meant to be used to store help text in Windows software. The CHM file format is essentially dead and nobody should use it for anything ever again. Files in the CHM format will have the file extension.

'Microsoft Compiled HTML Help' is a document file format created by Microsoft in 1997.

Chm file extension