How to Write Raw Data in SAS - PROC Export, CSV file ... - DataFlair PROC EXPORT DATA=libref.SAS data-set (SAS data-set-options) OUTFILE="filename" DBMS=identifier LABEL(REPLACE); Following is the description of the parameters used: SAS data-set is the data set name which exports. It uses the inbuilt EXPORT function to out the dataset files in a variety of formats.