Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .f40

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .f40 file?
  • Which program can create the .f40 file?
  • Where can you find a description of the .f40 format?
  • What can convert .f40 files to a different format?
  • Which MIME-type is associated with the .f40 extension?
PDP-10 Fortran-4 Source Code .f40 file icon

PDP-10 Fortran-4 Source Code

F40 file is a PDP-10 Fortran-4 Source Code. The PDP-10 is a mainframe computer family manufactured by Digital Equipment Corporation (DEC) from 1966 into the 1980s.
Detailed description not available
Category: Development files
Application: PDP-10
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
PDP-10 Program Low Segment
PDP-10 Runoff Input Data
PDP-10 Queue Data
PDP-10 Printer Output Data
PDP-10 Relocatable Object
PDP-10 Core Dump
PDP-10 Batch File
PDP-10 BLISS-10 Compiler Source Code
PDP-10 Source Compare Data

Other types of files may also use the .f40 file extension. If you have helpful information about .f40 extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

HEC-RAS Flow File
Fortran IV Source Code
Adobe Flash MP4 Protected Media

The .f40 filename extension is often given incorrectly!

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

f4 (1), c40 (1), f4p (1), f04 (1)

Can't open a .f40 file?

If you want to open a .f40 file on your computer, you just need to have the appropriate program installed. If the .f40 association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.f40

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 from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android