Found 2 records for the .RPI file extension name
There are 1 other file types with the "RPI" extension name:
.rpi - enhanced STL (stereo lithography)
Popular Data file extension list:
.mpp - Microsoft Project file
.xml - XML document
.000 - Linux, FreeBSD file
.pst - Microsoft Office Outlook personal folder file
.pinstall - Google Picasa file
.mso - Microsoft Orgchart file
.part - Mozilla Firefox partial download file
.ctt - Windows Live Messenger Contact List
file extension RPI - Flexible file format
File extension RPI description:
"solid free form fabrication" . Probably old file extension or not supported application..rpi