filename extension
— Noun
– English
~ a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename; "most applications provide extensions for the files they create"; "most BASIC files use the filename extension .BAS"
filename
— Noun
– English
~ (computer science) the name given to a computer file in order to distinguish it from other files; may contain an extension that indicates the type of file
filer
— Noun
– English
~ a clerk who is employed to maintain the files of an organization
filer
— Noun
– English
~ a party who files a notice with a law court