File Extension CLI File Format QIP invisible list CLI stands for QIP invisible list. 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 Networking blog roundup: SDN startups to watch; Cisco CLI tips how to write telnet script How to create a SSL Self-signed certificate?