Notes about the RNT file extension:
To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened
" (Windows 7) or "How do you want to open this file?
" (Windows 10) if you double-click the file. There click on "More apps"
and choose a suitable software to view such files on your PC or from email attachments.
The RNT file type is primarily associated with 'EdgeCAM' by Pathtrace Engineering Systems. .ONE files, along with .RNT and .TME, are Pathtrace's licensing files, used to update the
dongle based licensing sytem on a users PC for the EdgeCAM CAD/CAM programs. The .ONE extension has been iun use since about 1990, the other two were introduced in 2004. .RNT files and .TME files are for rental and timed licensing models.