Below is a list of device files that are currently compatible with the iQO2 software.

Suunto 
.fit
.gpx

Mio 
.fit

SRM 
.srm (general binair format)
.txt of .$?? (general text format)
.fit (PC 8)

Polar 
.hrm
.xml
.tcx
.fit

Cycleops 
.csv (poweragent general format)
.bin (joule 2.0/3.0)

Pioneer 
.db
.fit

Garmin 
.tcx
.fit

Note: This list is subject to change based on changes in devices or software by the manufacturers.