Help Home > Racing Reports & Data > Software Data Files Choose a Help Topic Below, or  Search For Help:     There are 5 general documents in this category. 5.  What is the difference between the DRF single and multi file datafile formats? Due to limitations in hardware and software that many had to work with in the early days of using computers to work with past performance data, a form...  More Page: Previous  1  2   [ Sign-up ] [ Products & Prices ] [ Bookstore ] [ Track Info ] [ Library ] [ Tech Support ] [ F.A.Q. ] [ Member Services ] [ Contact Us ]