about history data

[yalewang]

i have some question about history data,and cannot found in forum .

1/if my MT4 always opened, is it necessory to download the data,is the data auto restored in the fold ?

2/which fold of MT4 restored the data ?what is the file format ? ........ .doc .text

3/may i delete the data or copy from otherbrokers data to the MT4 terminal i am using .

4/ if i havedownload the data,may i get the M5 m15 ....DATA only simply double click the M5 M15 button under the symbol not by run convert script ?

5/ where can get free accurate data ?

thanks

[Ubzen]

Here.