Current Forex Tester 3 version doesn`t have this functionality.

You can export historical data of other timeframes via the Forex Tester 2 program.

Please download it and install it on your computer.

Launch the Forex Tester 2, open the Data Center.

Select necessary symbol and then import the data into the program manually via the “Import from a file” button.

After that, click “Export” button, enter the name of the file where the data will be exported to, and H1 timeframe to export 1-hour data.