When you export with Timezone e.g UTC+2 and then import into MT5 and click to start backtesting you get an error that the data starts 2003.5.5 at 00:00 and then it stops immediately .
On fixed Spreads you can't enter a floating number . You can enter integers e.g 1, 2 etc but if you try to enter 0.3 or 0.8 , it does not work.