.PDFS File Extension
File TypeAdobe PDF Presets File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is a PDFS file?
Settings file used by older versions of Adobe InDesign and Adobe Illustrator; contains instructions for exporting a .PDF file from an opened document; used for creating PDFs with the same properties.
PDFS files were replaced by .JOBOPTIONS files in InDesign CS2 and later.