Adobe Pagemaker was also able to export it's own document to PUB format (should not be confused by Microsoft Publisher files), which was used by old programs like Ventura Publisher or similar, for page layout documents.
Convert Adobe PageMaker document to Publication document file.
We found 2 software records in the database related to .pmd to .pub file format conversion.
Microsoft Windows software - convert pmd to pub on Windows
One of the first desktop publishing programs on market
Convert from pmd file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned pmd to pub. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert pmd to pub on OS X
Mac version of once popular publishing program