Without context, it is impossible to determine the specific content of the video.
This appears to be a filename for a video recording in transport stream ( .ts ) format, likely created on April 13, 2021, at 12:39:41. The subject or recorder of the video. Alena Stepanova [2021-04-13 12-39-41].ts
Do you have on where you found this file (e.g., a specific website, folder, or project), or are you trying to open/convert it? Knowing this can help me provide more relevant info. Without context, it is impossible to determine the
A video file format often used for streaming or broadcasting. likely created on April 13
Timestamp indicating the recording date and time.