Adobe Linguistic Library data file
LEX is a data file format created by Adobe Linguistic Library. LEX files contain shared lexicons, and store language-specific data. LEX files are used to add linguistic services to Adobe products, and can be used by multiple Adobe applications.
MIME: application/adobe, text/lex
Learn more about .LEX files:
Learn more about Adobe’s Linguistic Library plugin on their website.
Search on IT Knowledge Exchange for .LEX-related questions.