Font-face not working in IE, otf font

Question

I know this was asked multiple times, but I couldn\'t get it to work after trying them. This is the simple CSS I am using to import a custom font. Also, I am using this with

Answer 1

IE11: If you are receiving the CSS3114 error code in dev tools, you need to modify the first bits of the font file. This will allow IE to install the font.

Npm Module: You can use ttembed-js npm module, which will make the modifications for you. https://www.npmjs.com/package/ttembed-js

Usage: ttembed-js path/to/Montserrat-Black.otf