Ale wrote... >I recently got a source set from microchip website. I'm trying to open the >original .prj file but with no success, so I guess it's a old (and now >unsupported) file extension. Anybody knows how to handle it in MPLAB 6.40? MPLAB 6.xx includes a project-conversion utility which will translate pre-6.xx .PRJ files into 6.xx .MCP files. It isn't perfect, but I've used it successfully. Check in MPLAB's Help topics for how to use the utility. Dave D. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu