All you have to do is rename the file. It is a csv format
ArduCopter V3.0.1
Free RAM: 1196
APM 1
FMT, 128, 89, FMT, BBnNZ, Type,Length,Name,Format
FMT, 129, 23, PARM, Nf, Name,Value
FMT, 130, 35, GPS, BIBcLLeeEe, Status,Time,NSats,HDop,Lat,Lng,RelAlt,Alt,Spd,GCrs
FMT, 131, 27, IMU, ffffff, GyrX,GyrY,GyrZ,AccX,AccY,AccZ
FMT, 132, 67, MSG, Z, Message
FMT, 9, 19, CURR, hIhhhf, Thr,ThrInt,Volt,Curr,Vcc,CurrTot
FMT, 11, 11, MOT, hhhh, Mot1,Mot2,Mot3,Mot4
FMT, 12, 28, OF, hhBccffee, Dx,Dy,SQual,X,Y,Lat,Lng,Roll,Pitch
FMT, 5, 49, NTUN, Ecffffffffee, WPDst,WPBrg,PErX,PErY,DVelX,DVelY,VelX,VelY,DAcX,DAcY,DRol,DPit
FMT, 4, 25, CTUN, hcefhhhhh, ThrIn,SonAlt,BarAlt,WPAlt,NavThr,AngBst,CRate,ThrOut,DCRate
FMT, 15, 21, MAG, hhhhhhhhh, MagX,MagY,MagZ,OfsX,OfsY,OfsZ,MOfsX,MOfsY,MOfsZ
FMT, 6, 17, PM, BBBHHIhB, RenCnt,RenBlw,FixCnt,NLon,NLoop,MaxT,PMT,I2CErr
FMT, 8, 20, CMD, BBBBBeLL, CTot,CNum,CId,COpt,Prm1,Alt,Lat,Lng
FMT, 1, 17, ATT, cccccCC, RollIn,Roll,PitchIn,Pitch,YawIn,Yaw,NavYaw
FMT, 17, 37, INAV, cccfffiiff, BAlt,IAlt,IClb,ACorrX,ACorrY,ACorrZ,GLat,GLng,ILat,ILng
FMT, 3, 6, MODE, Mh, Mode,ThrCrs
FMT, 10, 3, STRT, ,
FMT, 13, 4, EV, B, Id
FMT, 20, 6, D16, Bh, Id,Value
FMT, 21, 6, DU16, BH, Id,Value
FMT, 22, 8, D32, Bi, Id,Value
FMT, 23, 8, DU32, BI, Id,Value
FMT, 24, 8, DFLT, Bf, Id,Value
FMT, 14, 28, PID, Biiiiif, Id,Error,P,I,D,Out,Gain
FMT, 16, 15, DMP, ccccCC, DCMRoll,DMPRoll,DCMPtch,DMPPtch,DCMYaw,DMPYaw
FMT, 18, 25, CAM, ILLeccC, GPSTime,Lat,Lng,Alt,Roll,Pitch,Yaw
FMT, 19, 5, ERR, BB, Subsys,ECode
etc.