You cannot open a .003 file by itself; it is only a fragment of the data. Follow these steps to restore the original file:
: Like any compressed file from the internet, only extract archives from trusted sources . Malicious files can be hidden within these archives, so it is best practice to scan the extracted contents with antivirus software.
: Move all related files (e.g., .001 , .002 , .003 , etc.) into the same folder on your computer.
: This indicates that the file is part 3 of a series. To successfully extract the original contents, you must also have the preceding parts, such as VID2016.7z.001 and VID2016.7z.002 , and potentially subsequent parts if the archive is even larger. How to Open and Combine the Parts
: If you are missing any segment (like .002 ), the extraction will fail with an error stating the archive is corrupted or incomplete.
: Locate the file ending in .001 . This is the entry point for the entire archive. Extract :