.F18

Not to be confused with .for or .f77 or .F77 or .f90 or .f95 or .F18 or .F18 or .F18 or .f18 or .FOR or .F90 or .F95 or .F18 or .F18 or .F18 or .F18 or .F18

MIME type: text/x-fortran

Is binary? No

Is encrypted? No

Can execute dangerous code? Yes (example: a piece of malware written in FORTRAN, although very uncommon)

Related extensions: .F18 .for .FOR .F18 .F18 .F18 .F18 .F18 .F18 .F18 .F18 .f18 .F18 .f77 .F77 .f90 .F90 .f95 .F95 .f .F

Internet Media types: None

Uniform Type Identifier (UTI) None

Type code None

Magic number: None

The capital doesn't differentiate the 2 files by much. They both still function the same.

A .F18 file is a FORTRAN source code file. This format isn't version specific, check for the specific FORTRAN version when needed.

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Any (Windows, Windows 9x, Windows NT, Linux, GNU/Linux, Classic MacOS, MacOS, MacOS X, OS X, iOS, Android, OS/2, ChromiumOS, ChromeOS, Solaris, FreeBSL, NetBSD, OpenBSD, DragonflyBSD, etc.)

Opens with:

Gedit (GNOME/Linux) (free & Libre) (Open Source)

Notepad (Windows, included with all versions of the operating system) (Proprietary)

Notepad++ (Windows NT, Linux (free & Libre) (Open Source))

GNOME Text Editor (GNOME/Linux) (free & Libre) (Open Source)

Eclipse (IDE, Windows, MacOS, Linux, BSD) (Free) (Open source)

IntelliJ Jetbrains FORTRAN extension (IDE, Windows, MacOS, Linux) (requires a subscription) (proprietary)

Other/Suggest one

Click/tap here to expand/collapse the definitions F18 this file

Definition 1: FORTRAN source code file

A .F18 file is a FORTRAN source code file. This format isn't version specific, check for the specific FORTRAN version when needed.

Definition 2: Pseudo-extension (null)

A pseudo-extension is a file format that is applied to a file, despite not having a purpose, other than to change the file name (such as STANDARDS.F18) however this file extension is rarely used as a pseudo-extension