File Extension F#

Writer:   |   Revised: January 16, 2019

Microsoft Silver

F# File Summary

Our most recent information indicates that F# files are associated with only a single known file type, the F# Source Code File format, and can be viewed with the F# software package (developed by Microsoft Corporation). F# files are traditionally categorized as Developer Files.

We have found F# files on the Windows operating system platform. They are both mobile and desktop device friendly. The main F# file type has a Popularity Rating of "Low", meaning these files are not frequently present on your typical desktop or mobile device.

Please see the detailed information below to learn more about F# files and the programs that can open them. In addition, we provide simple troubleshooting information to help you open your F# file.

Low
Popularity
10344
Ranking

/ 11690

Active

Relevance

16

January

2019

Refreshed

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Types of F# Files


Chief F# Description

.F#
Extension:.f#
Category:F# Source Code File

An F# file is a source code file written in the programming language called F# developed by Microsoft.

Developer: Microsoft Corporation
File Category:Developer Files
Registry Key: HKEY_CLASSES_ROOT\.f#

Software Programs That Open The F# Source Code File:


F# by Microsoft Corporation

Windows

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F# Popularity


Device Breakdown

Desktop (84.34%)
Mobile (14.29%)
Tablet (1.37%)


F# Troubleshooting


Issues Opening F# Files

F# is Not Installed

When trying to open your F# file, you get the error "Can't Open F# File Type". If this is the case, it's usually due to the fact that you do not have F# for %%os%% installed on your computer. Your operating system cannot associate your F# with F#, so double-clicking the file won't work.


Tip: If you don't have F# installed, and you know of another program to open your F# file, you can try opening it by selecting from the programs listed under "Show Apps".


Outdated F#

Sometimes your installed version of F# won't support your F# Source Code File file. Installing the latest version of F# from Microsoft Corporation is recommended. Most of the time your F# Source Code File file was created by a newer F# than what you have installed.


Tip: You can sometimes get hints about the right program version by right-clicking on the F# file, selecting "Properties", and looking at the version information.


Regardless, most of the F# file opening problems relate to not having the right version of F# installed.


Other Causes of F# File Opening Problems

You can still experience errors opening F# files even with the latest version of F# installed on your PC. There can be other issues - unrelated to software - preventing you from opening F# files. Additional factors include:

  • File references in the Windows Registry for F# are wrong
  • Accidental deletion of the description of the F# file in the Windows registry
  • Corrupt install of F# or other F#-related program
  • F# file corruption
  • Past or present virus infection has affected your F#
  • Hardware associated with F# has outdated drivers
  • Windows cannot load your F# Source Code File file due to insufficient resources (eg. RAM)

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