English Dictionary

Definition of “file extension”

file extension (faɪl ɪkˈstɛnʃən) 

Definitions

noun

  1. (computing) a set of letters such as .doc added to the end of its name that identifies what type of file sth is

Example Sentences Including 'file extension'

The flaw can be used to pass a file extension to the operating system.
Globe and Mail (2004)
Windows XP will then run the helper application corresponding to that file extension.
Globe and Mail (2004)

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