File Extension SCP File Format Script file (BITCOM) SCP stands for Script file (BITCOM). 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 Copy files, directories and links in Linux Access to iSeries IFS using SCP If you still use FTP, stop!