There exist several CAM graphics file types, so it is likely some of them could be exported or converted as JPG images. JPE is just file extension used for JPG/JPEG files. So rename JPG to JPE should you need it.
Convert Casio QV digital CAMera image to JPEG bitmap image format.
We found 2 software records in the database related to .cam to .jpe file format conversion.
Microsoft Windows software - convert cam to jpe on Windows
A complete image retouching program
Convert from cam 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 cam to jpe. 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.
Multiplatform software - convert cam to jpe on any platform
A popular utility for viewing and converting graphic files