Developer Guide and Reference

ID 767251
Date 10/31/2024
Public
Document Table of Contents

Files Associated with Intel® Fortran Applications

There are a number of file extensions associated with Intel® Fortran Compiler applications.

The following table shows the most common file extensions on Windows* and Linux* that are used in Intel® Fortran applications. It also shows what type of files they are and their description.

Windows Extension

Linux Extension

Type

Description

.asm

.s

Intermediate

Assembly file, passed to the assembler

.exe

.dll

.lib

none

.so

.a

Output

Executable, dynamic- link library, or library files

.fi

.fd

.h

Source

Header files

.for

.f

.ftn

.i

.for

.f

.ftn

.i

Source

Fortran source files (fixed format); these do not automatically invoke fpp for preprocessing

.fpp

.fpp

.FPP

.F

.FOR

.FTN

Source

Fixed source files (fixed format); these automatically invoke fpp for preprocessing.

On Windows, you can specify additional Fortran file extensions to be recognized by Visual Studio*. For more information, see Specify Fortran File Extensions.