FEA File Extension
AFDKO Feature Definitions File
- File Type fea
- Popularity
- Application Adobe Font Development Kit
- Category Data Files
- Format Text
What is a FEA file?
The FEA extension is related to AFDKO Feature Definitions File and is classified in the Data Files category, which contains 6196 files.
FEA file support extends to various operating systems, including Windows, Linux and Mac OS. There are 3 programs available to create a FEA file, including popular tools like Adobe Font Development Kit, FontForge and FontLab Studio.
Programs that support FEA files
How to open a FEA file?
If you are having trouble opening a FEA file, it usually means the right software is not installed. Choose a program from the list that matches your operating system. Next, visit the official website of the developer, download the software, and install it on your device.
Thanks to their popularity, Adobe Font Development Kit, FontForge and FontLab Studio are often the go-to programs for managing FEA files. If you want the most recent release of Adobe Font Development Kit, head over to the Adobe site and download the version designed to run on all platforms.
After completing the installation, FEA files should be recognized by the system and linked to Adobe Font Development Kit.
Set Adobe Font Development Kit as your default FEA viewer
Set default app to open files on Mac
- Right-click or Control + left-click on the desired FEA file to open a menu of available actions;
- Choose "Open in Application" and click "Other";
- In the lower section of the window, you’ll find the "Enable" menu, with "Recommended Programs" pre-selected as the default option;
- Select "All Programs" in this menu, and then search for Adobe Font Development Kit. Check the box next to "Always open in app" to make sure it’s the default option.
Change a default app in Windows
- To get started, right-click your FEA file, then choose "Open With" and select "Choose Another Application" from the context menu;
- From the list of applications in the pop-up window, find and select Adobe Font Development Kit as your desired application;
- Check the "Always use this app" checkbox, and then click "OK" to set your chosen app as the default for opening FEA files.
Solving Common FEA File Challenges
While FEA files can sometimes present difficulties, most problems can be resolved quickly with minor software modifications. Check the tips below to help solve them.
What Causes Adobe Font Development Kit to Crash Frequently?
Insufficient software updates are a likely cause of Adobe Font Development Kit crashes. Be sure to install the latest updates for Adobe products.
A simple restart of your computer can often fix many common problems, which is why it is the recommended first step before making any adjustments to your software settings.
How can I restore a damaged FEA file?
Start a data recovery program and open the damaged FEA file. Then, choose the "Repair" option from the menu. Allow the recovery process to complete, which will automatically repair the damaged data files.
How can I determine if my FEA file is damaged?
Characteristics of corrupted FEA data files can include:
- Adobe Font Development Kit or other programs stop responding or crash when trying to handle the file;
- Error notifications appear during file manipulation;
- When opening the file, errors occur or the inability to access its contents;
- Unexplained FEA file size inflation;
- Editing the archive in Adobe Font Development Kit is hampered by poor overall performance;
How to edit a FEA file?
To modify FEA files, you need to install special software that makes it possible to open and edit data files. Online FEA editors are more restricted compared to software designed for AFDKO Feature Definitions File.
Best FEA Editor Software in 2026
Taking the above factors into account, we have selected a list of FEA editors currently available.
| FEA Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| FontForge | George Williams | Windows, Mac OS, Linux | 4.5 out of 5 (39 reviews) |
| Adobe Font Development Kit | Adobe | Windows | 4.3 out of 5 (41 review) |
| FontLab Studio | FontLab | Windows, Mac OS, Linux | 4.3 out of 5 (44 reviews) |