I am trying to make a list of file extensions that would be possibility found on a OS9 disk for files that would contain text. So Far I have. .txt for text .b09 for Basic09 .c & .h for C programs I think also .pas for Pascal .a or is it .asm for Assembler ? I am not sure if .doc files on a coco are plain text or not? Does anyone have any to add ? Charlie.