reduce the waiting time in open very big files .txt
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I have some tables +100M rows that i need to import/export, tranform etc.. and is take some time to open each file (.txt), 5-7 min. 

I ask the team leader if is exist another way to consult the transformed data from this .txt files and he told me that is not exist another better option..!! so this is very strange for me because I can not believe, that the simple notepad make it by Microsoft is the best developed tool from entire world., Spend it hours by looking Ctrl+. it can not be