2023-02-14 18-06-47.mkv Here

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

Open the file to ensure the audio and video are synced. Since it's an MKV, if your recording software crashed, the file is likely still playable (unlike MP4). 2. Basic Editing & Trimming 2023-02-14 18-06-47.mkv

These platforms often have file size limits. Use Handbrake to compress the file using the "Web Optimized" preset. Change 2023-02-14 18-06-47

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 your recording software crashed

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