English → French
backup /BrE ˈbakʌp 
, AmE ˈbækˌəp /
noun
1 (support) soutien m; Military renforts mpl
to need backup [police officer, troops] avoir besoin de renforts
before n [equipment] de renfort backup troops renforts mpl
backup supplies réserves fpl
2 (replacement)
to keep a battery/car as a backup garder une batterie/voiture de secours
before n [plan, system, vehicle] de secours 3 Computing sauvegarde f; before n [file, copy] de sauvegarde