The ENERGY STAR Version 7.0 Residential Windows, Doors, and Skylights Final Specification is a 385 KB PDF.
The phrase appears as a file size for several draft documents across government and international agency websites. Depending on what you're looking for, it most likely refers to one of the following: Common Draft Documents (385 KB) (385 KB)
New Zealand's Draft Guidance on Methane Inhibitor Products is a 385 KB PDF released for consultation. The ENERGY STAR Version 7