File Extension PIM File Format PIM Archive PIM stands for PIM Archive. 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 What's the cost of developing PIM software internally vs. externally? MDM and PIM technology evaluation for manufacturing Pims Support ?