FNN File Extension

FNN file icon
DOS Screen Text Font
  • Developer
    Microsoft Corporation
  • Popularity
    5 (1 votes)

What is FNN file?

Full format name of files that use FNN extension is DOS Screen Text Font. Microsoft Corporation defined the DOS Screen Text Font format standard. Files with FNN extension may be used by programs distributed for Windows platform. FNN file belongs to the Font Files category just like 97 other filename extensions listed in our database. The software recommended for managing FNN files is MS-DOS. On the official website of Microsoft Corporation developer not only will you find detailed information about theMS-DOS software, but also about FNN and other supported file formats.

Programs which support FNN file extension

Programs that can handle FNN files are as follows. Files with FNN extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Programs that support FNN file

Windows Windows

How to open file with FNN extension?

Being unable to open files with FNN extension can be have various origins. On the bright side, the most encountered issues pertaining to DOS Screen Text Font files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Download and install MS-DOS

Problems with opening and working with FNN files are most probably having to do with no proper software compatible with FNN files being present on your machine. The solution to this problem is very simple. Download MS-DOS and install it on your device. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. One of the most risk-free method of downloading software is using links provided by official distributors. Visit MS-DOS website and download the installer.

Step 2. Update MS-DOS to the latest version

If the problems with opening FNN files still occur even after installing MS-DOS, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of MS-DOS is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why FNN files are not compatible with MS-DOS. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using MS-DOS.

Step 3. Set the default application to open FNN files to MS-DOS

If the issue has not been solved in the previous step, you should associate FNN files with latest version of MS-DOS you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the FNN file
  • Click Choose another app and then select More apps option
  • Finally select Look for another app on this PC, point to the folder where MS-DOS is installed, check the Always use this app to open FNN files box and conform your selection by clicking OK button

Selecting the first-choice application in Mac OS

  • Right-click the FNN file and select Information
  • Open the Open with section by clicking its name
  • Select the appropriate software and save your settings by clicking Change all
  • Finally, a This change will be applied to all files with FNN extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Verify that the FNN is not faulty

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper FNN file. Being unable to access the file can be related to various issues.

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

Should it happed that the FNN is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the scanner detected that the FNN file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Verify that the FNN file’s structure is intact

If the FNN file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. It could happen the the download process of file with FNN extension was interrupted and the file data is defective. Download the file again from the same source.

3. Verify whether your account has administrative rights

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the DOS Screen Text Font file again.

4. Check whether your system can handle MS-DOS

The operating systems may note enough free resources to run the application that support FNN files. Close all running programs and try opening the FNN file.

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 DOS Screen Text Font files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle FNN files.

Do you want to help?

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