: Right-click the file and select Properties (Windows) or Get Info (Mac) to see the exact creation date, resolution, and duration.

: It is supported by almost all modern devices, including smartphones, tablets, computers, and smart TVs.

: It can store not just video and audio, but also subtitles and still images. How to Identify or Open the File

: Always scan unknown files with antivirus software before opening, especially if they were downloaded from an untrusted source.