FA File Extension

FASTA Formatted Sequence Format
- File Type fa
- Popularity
- Application Convertrix
- Category Data Files
What is a FA file?
FASTA Formatted Sequence Format, identified by the FA extension, is a Data Files type and includes 6196 files.
FA files are supported by Windows. You can convert a FA file using one of 5 programs, for example Convertrix, DNA Baser Sequence Aligner and MultiFASTA Builder.
Programs that support FA files
How to open a FA file?
The most common reason why a FA file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.
The most popular programs for working with FA files are Convertrix, DNA Baser Sequence Aligner and MultiFASTA Builder. To install the latest version of Convertrix on your computer, visit the Heracle BioSoft website where you can download the version available for all operating systems.
Following installation, FA files should be automatically opened with Convertrix.
Set Convertrix to open FA by default
Changing the default program in Windows
- Start by right-clicking on your FA file and selecting the "Open With" option. From there, click "Choose another app" to continue;
- Find the Convertrix application in the pop-up window and select it as your preferred program;
- Select the "Always use this application" check box and click "OK" to save your selection as the default application for opening FA files.
Change default apps on Mac
- Right-click or use Control + Left-click on the desired FA file to access the file’s context menu;
- Select "Open in application" and click "Other";
- Look at the bottom of the window, where you will see the "Enable" menu. "Recommended Programs" will be selected as the default option;
- Within this menu select "All Programs" and navigate to Convertrix. Check the box next to "Always open in app" to make sure it’s the default option.
Convert to and from FA
Please note that after converting a FA file, some functionality may differ from the original. However, in many cases, it can be converted back to its original format.
Using offline applications such as Convertrix and DNA Baser Sequence Aligner, you can convert FA files to various formats without losing data quality.
Converting Files to FA Format
Easy FA Troubleshooting
When issues arise with FA files, they can generally be fixed with small software tweaks. Use the troubleshooting tips below to help resolve them.
What are the signs that my FA file is damaged?
Corrupted FA data files may have one or more of the following symptoms:
- Opening or processing the file in Convertrix or other programs causes instability or crashes in the program;
- The file shows errors when trying to open it or does not open completely;
- Unexpected expansion of the total size of the FA file;
- Working with the file triggers the display of error messages;
Why does Convertrix crash?
Convertrix crashes can be attributed to outdated software. Make sure you have installed the latest updates for Heracle BioSoft products.
Restarting your computer is often an effective solution to resolve various common problems. Therefore, it is recommended to do so before making any changes to the software configuration.
How to repair a corrupted FA file?
Use a recovery program to open the damaged FA file and navigate to the "Repair" menu item. Wait for the recovery process to finish, as it will automatically repair damaged data files.


