File Extension Library


.FNA File Extension

  • Developer by: University of Virginia
  • Category: Various data Files

What is an .FNA file?

.FNA file extension is created by University of Virginia. .FNA has been classified as Various data Files.

.FNA is FASTA DNA and protein sequence alignment

The fna file extension is associated with the FASTA, a DNA and protein sequence alignment application for Unix, Linux, Mac OS X (macOS) and Windows operating systems.

The fna file stores data related to proteins, or DNA.


How to open:

Use FASTA to open .fna sequence alignment files.

How to convert:

Possibly can be converted like any other sequence alignment data.

How to Open .FNA file on different platforms

Open .FNA File on Windows

  • Right-click a .FNA
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .FNA file and Select check box "Always use this app to open .FNA files" Press "Ok"

Open .FNA File on Mac

  • Right-click (or Ctrl + Left-click) the .FNA file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .FNA File on Linux

Right click on the .FNA file, choose "Open with" and select a program from the list above

Open .FNA File on iPhone

Select a file. If you don't see an application to open the .FNA file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .FNA File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .FNA files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .FNA files

  1. You need to update the application that you normally use to open .FNA files. Only the latest version of the software supports the current .FNA file format
  2. You need to check the .FNA file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)