F90 File Extension

F90 file icon
Fortran 90 Source Code Format

What is F90 file?

F90 is a file extension commonly associated with Fortran 90 Source Code Format files. F90 file format is compatible with software that can be installed on Linux, Mac OS, Windows system platform. F90 file belongs to the Developer Files category just like 1019 other filename extensions listed in our database. Pro Fortran supports F90 files and is the most frequently used program to handle such files, yet 8 other tools may also be used.

Programs which support F90 file extension

The list that follows enumerates programs compatible with F90 files, divided into 3 categories based on operating system on which they are available. F90 files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with F90 extension?

There can be multiple causes why you have problems with opening F90 files on given system. On the bright side, the most encountered issues pertaining to Fortran 90 Source Code Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install Pro Fortran

Problems with opening and working with F90 files are most probably having to do with no proper software compatible with F90 files being present on your machine. The most obvious solution is to download and install Pro Fortran or one to the listed programs: PSPad, Intel Composer XE, Microsoft Visual Studio. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. The safest method of downloading Pro Fortran installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Verify the you have the latest version of Pro Fortran

If you already have Pro Fortran installed on your systems and F90 files are still not opened properly, check if you have the latest version of the software. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. The reason that Pro Fortran cannot handle files with F90 may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Pro Fortran.

Step 3. Set the default application to open F90 files to Pro Fortran

If the issue has not been solved in the previous step, you should associate F90 files with latest version of Pro Fortran you have installed on your device. The method is quite simple and varies little across operating systems.

Selecting the first-choice application in Windows

  • Clicking the F90 with right mouse button will bring a menu from which you should select the Open with option
  • Select Choose another app → More apps
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where Pro Fortran is installed. Now all that is left is to confirm your choice by selecting Always use this app to open F90 files and clicking OK.

Selecting the first-choice application in Mac OS

  • From the drop-down menu, accessed by clicking the file with F90 extension, select Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • If you followed the previous steps a message should appear: This change will be applied to all files with F90 extension. Next, click the Continue button to finalize the process.

Step 4. Check the F90 for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the F90 file in question. Problems with opening the file may arise due to various reasons.

1. Verify that the F90 in question is not infected with a computer virus

Should it happed that the F90 is infected with a virus, this may be that cause that prevents you from accessing it. Scan the F90 file as well as your computer for malware or viruses. If the scanner detected that the F90 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Ensure the file with F90 extension is complete and error-free

If you obtained the problematic F90 file from a third party, ask them to supply you with another copy. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. When downloading the file with F90 extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the Fortran 90 Source Code Format file again.

4. Check whether your system can handle Pro Fortran

If the systems has insufficient resources to open F90 files, try closing all currently running applications and try again.

5. Verify that your operating system and drivers are up to date

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Fortran 90 Source Code Format files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle F90 files.

Do you want to help?

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