Try this: go to the "Trades Executed" or "Trades Booked" page, type Ctrl-A and Ctrl-C, open a new Excel spreadsheet and type Ctrl-V. The data should paste into Excel and you should then be able to write formulas to extract all sort of useful information.
That's one of the most annoying things...
Forex Tester imports just fine the *.hst format that MetaTrader uses. Just go to the Alpari web site and download their 1M files for Forex currency pairs, then import them into Forex Tester.