If it was sent unexpectedly by a contact or found on a suspicious site, do not open it .
Clicking it may lead to a fake login page designed to steal your credentials or trigger a malware download disguised as a video codec. How to Handle the File Safely MyVideo_1mp4
Universities and research centers often host student presentations or data clips under this name. For instance, Texas A&M University uses similar generic naming for various academic poster video components. If it was sent unexpectedly by a contact
Use a tool like ExifTool to see the "Create Date" and the software used to generate it, which can clarify if it's a legitimate personal file. For instance, Texas A&M University uses similar generic
Many mobile apps and desktop editors (like iMovie or Windows Photos) use this naming convention if you don't provide a custom title. For example, Gifu Seiki Industrial uses this file name for technical demonstration clips on their corporate site.