It could be a renamed or categorized file from a purchased series (e.g., a show with a character named Kati). 3. How to Open and Play the File
Depending on whether the file is DRM-protected, you have several options for playback: Player Type Recommended Software Compatibility Note QuickTime Player / Apple TV App Best for protected files; supports AC3 audio. Cross-Platform VLC Media Player Opens almost any unprotected M4V file. Windows Media Player Classic Good for unprotected files on PC. 4. Technical Troubleshooting Kati-1.m4v
If the file won't play or open, consider these common fixes: It could be a renamed or categorized file