The MIME type application/x-amidraw is used to denote the presence of Lotus Amidraw documents. Even though this is a document format this MIME type is classified as "application".

Amidraw documents use the extension SDW. Amidraw was originally developed for the DOS platform by a computer software development company called Samna. Lotus then bought the program from its creators and ported it to run on the Windows and OS/2 platform. Later, Amidraw was replaced by Lotus" Amidraw "97. Being a Lotus product, it was automatically acquired by IBM when they bought Lotus.

The Lotus Amidraw is the successor of Amidraw in every way and it supports all the Amidraw files and functions. Amidraw had the distinction of being one of the first ever fully functional graphics processor for the Windows Platform.