EOT File Extension
Embedded OpenType Font Format
- File Type eot
- Developer Microsoft
- Popularity
- Application Web Embedding Fonts Tool
- Category Font Files
- Format Binary
What is a EOT file?
Embedded OpenType Font Format, identified by the EOT extension, is a Font Files type and includes 102 files.
The Embedded OpenType Font Format (EOT), created by Microsoft, is one of file format they developed, and they also built 242 programs to support them.
EOT file support extends to various operating systems, including Windows, Linux and Mac OS. When working with EOT files, you can rely on 3 programs, including Web Embedding Fonts Tool, Birdfont and Online Font Converter.
Programs that support EOT files
Mac OS
Linux
Online Services
How to open a EOT file?
If you can’t open a EOT file, it is usually because the necessary software is missing. To resolve the issue, select the right program from the list for your operating system. Then go to the official website of the developer, download the software, and install it.
When it comes to opening and working with EOT files, Web Embedding Fonts Tool, Birdfont and Online Font Converter are the top choices for users. To install the updated version of Web Embedding Fonts Tool, simply go to the Microsoft site and download the installer compatible with all major platforms.
Once the process is complete, Web Embedding Fonts Tool should take over as the default application for EOT files.
Set Web Embedding Fonts Tool as the default EOT program
Changing Default Programs in Windows
- Right-click on your EOT file, then choose the "Open with" option and select "Choose another application" from the available options;
- In the pop-up window, select the Web Embedding Fonts Tool application;
- Check the "Always use this application" checkbox, and then click "OK" to apply the selected application as the default for opening EOT files.
Change Default Program on Mac
- Right click or Control + left click on the desired EOT file;
- Select "Open in application" and click "Other";
- At the bottom of the window, you will find the "Enable" menu. Default, will be set to "Recommended Programs";
- Choose "All Programs" in this menu and search for Web Embedding Fonts Tool. Check the box next to "Always open in app" to make it the default program.
How to edit a EOT file?
To edit EOT files, it is essential to install software that supports not only viewing but also editing the font files. Online EOT editors provide limited functionality compared to full-featured software for Embedded OpenType Font Format.
List of Top EOT editors 2026
Based on the criteria above, here is a selection of EOT editors you can use.
| EOT Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Web Embedding Fonts Tool | Microsoft | Windows | 4.8 out of 5 (45 reviews) |
| Birdfont | - | Windows, Mac OS, Linux | 4.3 out of 5 (44 reviews) |
Solve problems with EOT files
Rest assured, any issues with EOT files can typically be addressed with simple software adjustments. See the tips below for help.
Why does Web Embedding Fonts Tool stop responding or crash intermittently?
Web Embedding Fonts Tool crashes can be caused by outdated software. Keep your Microsoft products up to date by installing the latest updates.
Restarting your computer will solve many common problems, which is why it’s the first thing you should do before changing any settings related to the software.
What are the best practices for repairing a EOT file that has gone bad?
Use a data recovery program to open the damaged EOT file and from the menu choose "Repair" function to start the repair process. Allow the recovery process to complete, which will automatically repair the damaged font files.
What are the warning signs that my EOT file may be corrupted?
Common indications of damaged EOT font files are:
- Error messages appear during the course of working with the file;
- Editing the archive in Web Embedding Fonts Tool results in slow or unresponsive behavior;
- Opening the file results in an error or a failed attempt;
- Unexpected expansion of the total size of the EOT file;
- Opening the file in Web Embedding Fonts Tool or other programs causes them to hang or crash;