EOT - Embedded OpenType fonts

- UNOFF

Type of font that can be derived from a regular font, allowing small files and legal use of high-quality fonts. Usage is restricted by the file being tied to the website

IE

  1. 5.5: Not supported
  2. 6 - 10: Supported
  3. 11: Supported

Edge

  1. 12 - 100: Not supported
  2. 101: Not supported

Firefox

  1. 2 - 99: Not supported
  2. 100: Not supported
  3. 101 - 102: Not supported

Chrome

  1. 4 - 100: Not supported
  2. 101: Not supported
  3. 102 - 104: Not supported

Safari

  1. 3.1 - 15.3: Not supported
  2. 15.4: Not supported
  3. TP: Not supported

Opera

  1. 9 - 85: Not supported
  2. 86: Not supported
  3. 87: Not supported

Safari on iOS

  1. 3.2 - 15.3: Not supported
  2. 15.4: Not supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 101: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 64: Not supported

Chrome for Android

  1. 101: Not supported

Firefox for Android

  1. 100: Not supported

UC Browser for Android

  1. 12.12: Not supported

Samsung Internet

  1. 4 - 15.0: Not supported
  2. 16.0: Not supported

QQ Browser

  1. 10.4: Not supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: Not supported

Proposal by Microsoft, being considered for W3C standardization.

Resources:
Wikipedia
Example pages