RadioTracer reads and writes the following proprietary file formats:
| extension | description | format | (Section) |
| .cnf | configuration | ASCII | 9.2 |
| .dat | environment | binary and ASCII | 9.3 |
| .dop | DOP map | binary and ASCII | 9.4 |
| .em | field | binary and ASCII | 9.5 |
| .frs | fresnel | binary and ASCII | 9.7 |
| .mcv | LOS M-map | binary and ASCII | 9.6 |
| .mtr | materials | ASCII | 9.8 |
| .pth | ray-paths | binary and ASCII | 9.9 |
| .rrl | VRML ray paths | ASCII | 9.12 |
| .rts | script | ASCII | 9.10 |
| .vol | voltage | binary and ASCII | 9.11 |
| .wrl | VRML environment | ASCII | 9.12 |