: Make sure the file actually ends in .mp4 . If it ends in .exe or .scr but has a video icon, do not open it , as it is likely a virus. 3. Managing the File Size
: Tools like Adobe's free resizer or Handbrake can help you shrink the file size without losing too much quality. : Make sure the file actually ends in
To watch the video, you will need a media player that supports the . do not open it
: QuickTime Player is the standard application for viewing these files. : Make sure the file actually ends in
: Lowering the resolution to "640 x 480" is a common way to significantly reduce file size while keeping the video watchable.