Change 2023-02-14 18-06-47.mkv to something descriptive (e.g., Project_Demo_Draft_v1.mkv ).

You can upload MKV files directly to YouTube, but remuxing to MP4 first is generally safer for metadata processing. 4. Organization Tip

If this is a raw master file, keep it. MKV supports multiple audio tracks (e.g., mic vs. desktop audio), which is vital if you plan to do a professional edit later.

If you need to use the video in basic editors (like iMovie or older versions of Premiere), you can "remux" it.

These platforms often have file size limits. Use Handbrake to compress the file using the "Web Optimized" preset.