2021-08-14 | 14.29.15.mov

Search for keywords like "dog," "beach," or "birthday" if you remember what was in the video. Apple's "Visual Look Up" indexes the content of your videos automatically. 📍 2. Location Metadata

You don't need the exact name to find it. You can search your device using the date or content: 2021-08-14 14.29.15.mov

The most likely home for a .mov with this naming style. Google Photos: Search for the date 2021-08-14 . Search for keywords like "dog," "beach," or "birthday"