need some help

[trambetto83]

,,I have downloaded some stock histories,,,I can open them offline without any problem however I would like to backtest them therefore I need to use strategy tester.

my problem starts at this point,,,in metatrader on symbol box there are just some currencies but I want to see there stock histories in order to test my strategies.

how can I add my stocks iin the symbol box ? I have been searching this information for 2 days,,haven't found any clue...