EOT File Extension

EOT file icon
Embedded OpenType Font Format
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What is EOT file?

An .EOT file, also known as the Embedded OpenType font file, is a font file that is created from proprietary and open source software, such as Microsoft’s Web Embedding Fonts Tool (WEFT). The EOT file is used as embedded fonts for the web pages. The size of the EOT file is reduced by including only the required characters in the file, which is known as subsetting fonts, and by implementing data compression. Further, if the EOT font is missing in the embedded web pages then the secondary-choice of the font specification is used for the intended web page.

Programs which support EOT file extension

The following listing features EOT-compatible programs. EOT files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support EOT file

How to open file with EOT extension?

Being unable to open files with EOT extension can be have various origins. Fortunately, most common problems with EOT files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install Web Embedding Fonts Tool software

The main and most frequent cause precluding users form opening EOT files is that no program that can handle EOT files is installed on user’s system. The most obvious solution is to download and install Web Embedding Fonts Tool or one to the listed programs: Microsoft Internet Explorer. Above you will find a complete listing of programs that support EOT files, classified according to system platforms for which they are available. If you want to download Web Embedding Fonts Tool installer in the most secured manner, we suggest you visit Microsoft Corporation website and download from their official repositories.

Step 2. Update Web Embedding Fonts Tool to the latest version

If you already have Web Embedding Fonts Tool installed on your systems and EOT files are still not opened properly, check if you have the latest version of the software. Software developers may implement support for more modern file formats in updated versions of their products. The reason that Web Embedding Fonts Tool cannot handle files with EOT may be that the software is outdated. The latest version of Web Embedding Fonts Tool should support all file formats that where compatible with older versions of the software.

Step 3. Associate Embedded OpenType Font Format files with Web Embedding Fonts Tool

If the issue has not been solved in the previous step, you should associate EOT files with latest version of Web Embedding Fonts Tool you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

  • Clicking the EOT with right mouse button will bring a menu from which you should select the Open with option
  • Click Choose another app and then select More apps option
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the Web Embedding Fonts Tool installation folder. Confirm by checking Always use this app to open EOT files box and clicking OK button.

Selecting the first-choice application in Mac OS

  • From the drop-down menu, accessed by clicking the file with EOT extension, select Information
  • Find the Open with option – click the title if its hidden
  • Select Web Embedding Fonts Tool and click Change for all...
  • A message window should appear informing that This change will be applied to all files with EOT extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the EOT file is complete and free of errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the EOT file in question. Being unable to access the file can be related to various issues.

1. Check the EOT file for viruses or malware

Should it happed that the EOT is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the scanner detected that the EOT file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Verify that the EOT file’s structure is intact

If you obtained the problematic EOT file from a third party, ask them to supply you with another copy. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. If the EOT file has been downloaded from the internet only partially, try to redownload it.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the Embedded OpenType Font Format file again.

4. Check whether your system can handle Web Embedding Fonts Tool

If the systems has insufficient resources to open EOT files, try closing all currently running applications and try again.

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 Embedded OpenType Font Format file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle EOT files.

Do you want to help?

If you have additional information about the EOT file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on EOT file.

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