I don't know how much other things there are but they are compressed HTML files. Wikipedia gives quite good list of tools which can extract files from them. Rebuilding back to CHM might be harder. https://en.wikipedia.org/wiki/Microsoft_Compiled_HTML_Help Best regards, Hannu Vuolasaho
---------------------------------------- > Subject: Re: Converting from chm to Lyx > To: lyx-users@lists.lyx.org > From: gordon_coo...@kinect.co.nz > Date: Wed, 14 Oct 2015 07:46:44 +1300 > > Thanks for the replies. The file is the help section of > a CAD programme with 400 pages and many graphics. > I can print it directly to pdf but it needs editing, which > would be easier in Lyx, hence the question. > > Richard, will look at importing into LO. > > Gordon. > > > >