Zipped files, which use the ".zip" file extension, take up less storage space on your computer and are faster to download due to their smaller size. Plan studies and some contouring accuracy instances allow you to download a dataset in the form of a "zip" file. A zip file must be extracted before the compressed files may be imported into your treatment planning system (TPS).
The following links explain how to extract - or "unzip" - the zip file once you have download it from ProKnow. Please select the link that matches you operating system.