this is just a comma seperated text file and can be opened with excelif you don't have that then just google for free alternatives like open office.
Your logging far too many items just log
rpm, TPS, knock sum, afr (lc-1 or similar),load, TimingAdv
and if you have ecu boost control log WDGC and correction
what car is it from and are you looking for anything imparticular from the data? With out an actual AFR reading its not much use
Andy