Import data from text files

 

Maybe this is a stupid question to ask...but I ahve have spent a night trying to solve this questions!!I really hope that some one can help!
I have prepared a csv file with daily open high low close volumn, and my problem is,

I cannot find it by clicking "file"--->"openoffline",

could anyone tell me what to do??or is there anything I need to do before that?

p.s. I am using HY trader

Reason: