: The "v207" in the filename indicates this is version 2.07 of the specific scenery package.
: You must have all subsequent parts (e.g., part2.rar , part3.rar ) in the same folder to successfully extract the data.
The file is a compressed archive typically associated with flight simulation software, specifically a high-quality scenery add-on for Boston Logan International Airport (KBOS) for Microsoft Flight Simulator or Prepar3D. Summary of the File