File Extension MODUS File Format Adobe Mocha for Adobe After Effects modus file MODUS stands for Adobe Mocha for Adobe After Effects modus file. This was last updated in March 2012 By Margaret Rouse Browse File Extensions Alphabetically: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # Ask a Question. Find an Answer. Ask your peers a question about this file extension. Ask a Question Files slow to open Unable to open PDF files after computer restore What will open EPS files?