| Subject | English | Lithuanian |
| comp., MS | file name extension | failo vardo plėtinys (A set of characters added to the end of a file name that identifies the file type or format) |
| comp., MS | long file name | ilgasis failo vardas (A folder or file name longer than the 8.3 file name standard (up to eight characters followed by a period and an extension of up to three characters). Most versions of Windows, including WindowsXP, Windows2000, WindowNT, Windows95, and Windows98 support long file names up to 255 characters) |