A datacard or data disk was a flat shaped device used to transfer information. During the Galactic Civil War, Leia Organa used a datacard to smuggle a recorded message inside of R2-D2 to ask for the help of Jedi Master Obi-Wan Kenobi.
- Star Wars: The Clone Wars – "Death Trap"
- Star Wars: The Clone Wars – "Duchess of Mandalore"
- Lords of the Sith (As data disk)
- Star Wars: Episode IV A New Hope (First appearance)
- Star Wars: Episode V The Empire Strikes Back
- Star Wars Rebels: Sabine My Rebel Sketchbook (As data disk)
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