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>> F90 file

F90 file format description

Many people share .f90 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .f90 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .f90 files.

1 filename extension(s) found in our database.

.f - Fortran Source Code

F file is a Fortran Source Code. Fortran is a computer programming language originally developed in the 1950s. It is still used for scientific computing and numerical computation half a century later. It is sometimes considered the earliest cross platform (standardized) programming language.

.f file format description:
F format
Fortran Tools
Development files
- / -
f77, f90, for, ftn
Fortran Source Code related links:
Fortran Source Code related extensions:
Fortran Source Code
Fortran IV Source Code
Fortran Declaration File
Fortran Interface File

Naturally, other applications may also use the .f90 file extension. Even harmful programs can create .f90 files. Be especially cautious with .f90 files coming from an unknown source!

Can't open a .f90 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .f90 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

90, r90

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

HEC-RAS Flow File

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If you have useful information about the .f90 file format, then write to us!