How To Split a Huge CSV Excel Spreadsheet into Separate Files | Techy Stuff | Scoop.it
From www.makeuseof.com - May 14, 2013 9:41 PM
I recently started working with  a company that does HUGE mailing lists. I deal with a lot of records everyday but this really is a lot of data. They have an opt-in mailing list that they blast to once or twice a month.