: The part number. To open this, you must have all subsequent parts (e.g., .002 , .003 ) in the same folder. How to Extract and Open It
The file is a specific part of a larger compressed archive. The .001 suffix indicates it is the first volume of a "split archive" created by the 7-Zip utility . What is DBC.7z.001? DBC.7z.001
CAN DBC File Explained - A Simple Intro [+Editor Playground] : The part number