A string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename.
1On my board, most of these files have the file name extension .EXE or .COM.
2Choice four lets us search for files using keywords, file creation dates, forum names, file types, file name extension, file name or author.
3(The file name extensions .BAS, .ASC or .TXT suggest that the files contain plain text.)
Translations for file name extension