An "output file" is a document or file that is created or produced as a result of a computer program or process. It contains the information or data that has been processed, organized, or generated by the program. Full definition
Have you ever wanted a simple way to output global average values for each year from a series of monthly climate model output files? (hannahlab.org)
I knew, of course, that sites like CreateSpace and SmashWords had conversion tools at them, but I didn't know that there were as many independent products available that were specially created to format and output files for book production. (andrew-updegrove.com)