OZFX3 is a file extension specific to a software tool called OziExplorer. It is a program developed by Des & Lorraine Newman that allows the user to plan a trip and transfer this data to GPS navigation devices.

OZFX3 files are used to store images. These files are used for mapping. The program combines a large number of such files into a whole. OziExplorer works with Magellan, Garmin, Lowrance, Eagle, Brunton / Silva and MLR GPS receivers.