Ensure there are no weird characters in the filename (keep it as Dod_318.mp4 ).

If the file size is 0KB, the recording was interrupted.

Based on the naming convention, here are the most likely scenarios and how to handle them: 1. If it is a Dashcam Video (DOD Tech) DOD is a well-known brand of high-end dashcams (e.g., DOD LS460W Go to product viewer dialog for this item. ). If "318" refers to a specific incident or camera model:

Use tools like Handbrake if you need to compress the file for sharing.

2. If it is a Course or Training Module (e.g., Department of Defense)