This is a unique ID generated to prevent file name collisions. If two users upload a file named "Vacation.mp4," systems like YouTube or Dropbox rename them using these hashes to ensure every file has a distinct address.
This indicates "High Definition" (HD) resolution. At nIdBMpOq_720p.mp4
pixels, it is the standard "entry-level" HD format that balances visual clarity with streaming speed. This is a unique ID generated to prevent
The file nIdBMpOq_720p.mp4 is likely just one "slice" of a larger media project, specifically optimized for mid-range performance. 3. How to Identify Mysterious Files go to Properties
Right-click the file, go to Properties , and check the Details tab to see the "Date Created" or "Origin." On Mac: Select the file and press Command + I .