file extension

file extension (plural file extensions)

  1. A short series of text characters at the end of a computer filename, used to indicate the type of contents and the software that will be required to operate or open it.
    A text file may have a file extension of .txt.
Synonyms Related terms
  • 8.3
  • French: extension de fichier
  • German: Dateiendung
  • Italian: estensione di nome di schedario
  • Portuguese: extensão
  • Russian: дополне́ние к файлу
  • Spanish: extensión de archivo

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