FAI File Extension

What is FAI file?

Full format name of files that use FAI extension is FASTA Index Format. FAI files are supported by software applications available for devices running Windows. Files with FAI extension are categorized as Misc Files files. The Misc Files subset comprises 6033 various file formats. FASTA is by far the most used program for working with FAI files. Software named FASTA was created by University of Virginia. In order to find more detailed information on the software and FAI files, check the developer’s official website.

Programs which support FAI file extension

Below is a table that list programs that support FAI files. FAI files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Updated: 10/02/2020

How to open file with FAI extension?

Problems with accessing FAI may be due to various reasons. On the bright side, the most encountered issues pertaining to FASTA Index Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. We have prepared a listing of which will help you resolve your problems with FAI files.

Step 1. Download and install FASTA

The main and most frequent cause precluding users form opening FAI files is that no program that can handle FAI files is installed on user’s system. The solution is straightforward, just download and install FASTA. The full list of programs grouped by operating systems can be found above. If you want to download FASTA installer in the most secured manner, we suggest you visit University of Virginia website and download from their official repositories.

Step 2. Check the version of FASTA and update if needed

You still cannot access FAI files although FASTA is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. The reason that FASTA cannot handle files with FAI may be that the software is outdated. The most recent version of FASTA is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign FASTA to FAI files

If you have the latest version of FASTA installed and the problem persists, select it as the default program to be used to manage FAI on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Change the default application in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the FAI file
• Select Choose another app → More apps
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the FASTA installation folder. Confirm by checking Always use this app to open FAI files box and clicking OK button.

Change the default application in Mac OS

• From the drop-down menu, accessed by clicking the file with FAI extension, select Information
• Proceed to the Open with section. If its closed, click the title to access available options
• 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 FAI extension. Next, click the Continue button to finalize the process.

Step 4. Check the FAI for errors

Should the problem still occur after following steps 1-3, check if the FAI file is valid. Problems with opening the file may arise due to various reasons.

1. The FAI may be infected with malware – make sure to scan it with an antivirus tool.

Should it happed that the FAI is infected with a virus, this may be that cause that prevents you from accessing it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the FAI file is indeed infected follow the instructions below.

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

If you obtained the problematic FAI 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. It could happen the the download process of file with FAI extension was interrupted and the file data is defective. Download the file again from the same source.

3. Ensure that you have appropriate access rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle FASTA

If the system is under havy load, it may not be able to handle the program that you use to open files with FAI extension. In this case close the other applications.

5. Check if you have the latest updates to the operating system and drivers

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with FASTA Index Format file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle FAI files.

Do you want to help?

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