How the data is stored inside a flat file? Artur Pietrzyk December 03, 2018 17:23 Compressed (gzip highest available compression level) ASCII text files (CSV format). Related articles Where I can find sample code processing limitbook_full flat file? What is the minimum size of the first and next orders? Can you provide documentation for the values in the CSV file? Comments 0 comments Please sign in to leave a comment.