The first part ( 2021-11-27-00.21.30 ) indicates the file was likely created or saved on November 27, 2021, at 12:21:30 AM .
When you use "Takeout" services or bulk downloads, photos and videos are often renamed with these long timestamp strings. 2021-11-27-00.21.30-TYm0wqIp.mov ...
Check your photo library or message history around November 27, 2021 , to find the context of why this video was saved. 4. Safety Note The first part ( 2021-11-27-00
Do you remember or saving media from a specific app around late 2021? 2021-11-27-00.21.30-TYm0wqIp.mov ...