File Extension LID File Format Dylan Library Interchange Description LID stands for Dylan Library Interchange Description. 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 MICROSOFT INTERCHANGABILITY What is the difference between Agile and DevOps? Transcription cannot be started.