How do I edit FanDuel entries with a CSV file?

On FanDuel's website on a computer, open Upcoming, find the slate, and select CSV Edit. Download the CSV template, which lists each of your entries. Put the new lineup in each entry, then select CSV Edit again and upload the file. The template changes entries that exist. It cannot make new entries.

How do I upload new lineups to FanDuel?

On FanDuel's website, open the contest and select Upload Lineups from CSV beside Enter. FanDuel accepts uploaded lineups only in a contest that allows more than one entry per user. Check the entries and the fee that FanDuel shows, then confirm.

How does DFS Studio fill the CSV Edit template?

1. In DFS Studio, drop the template on step 1 of the FanDuel slate, or choose it.
2. Click Replace N lineups. Each entry of the template holds a lineup, and DFS Studio replaces them all.
3. Click Download for FanDuel.
4. On FanDuel, open Upcoming and select CSV Edit for the slate.
5. Pick the file, and select Upload CSV and edit entries.

Import and fill FanDuel entries has each step.

Why does FanDuel reject my CSV file?

A spreadsheet app can change the player ids into numbers, and FanDuel then rejects the file. Upload the file as your lineup tool wrote it. FanDuel marks each edit that failed.

Can I edit FanDuel entries after lock?

Yes, on a team sport's Full Roster slate and on an NFL SuperFlex slate, for the players whose games have not started. Upload the file with CSV Edit on the Live page of FanDuel's website. FanDuel has no late swap on a single game.

Updated November 10, 2026.