File Extension PSID File Format Picture / text PSID stands for Picture / text. 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 Custom Crystal Reports conversion Printing Text Messages How to retrieve images from the database programmatically using .NET?