Various embroidery design formats, including .jan (Janome) and .exp (Melco) can be typically converted between each another, so they can be used in different sewing / stitching machines. You can usually achieve this using certain embroidery editors or even dedicated converters.
Convert Janome Digitizer embroidery design to Melco embroidery design.
We found 2 software records in the database related to .jan to .exp file format conversion.
Microsoft Windows software - convert jan to exp on Windows
An embroidery design tool from Janome
Convert from jan 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 jan to exp. 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 jan to exp on OS X
Converter for embroidery designes