.app

.app is an abbreviation of the word application. It may refer to:

Filename extensions

• Used in
  GEM
• Used for
  application bundles
  in NeXTSTEP, OPENSTEP, GNUstep, macOS, iOS, and iPadOS
• Used for app packages in HarmonyOS
• Used in SkyOS
• Used in
  Symbian OS
• Used in Microsoft Windows (via AppWave)

Other uses

• .app (gTLD), a top-level internet domain

See also

• App (disambiguation)

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