Use apps like Video Player for Google Drive to stream MKV files directly, which often works better than the default Google viewer. Videos processing for hours - Google Drive Community
While small files are quick, a 3-hour movie can take significantly longer, sometimes requiring 24–48 hours. avngrsultrntbric31.mkv - Google Drive
If the file is still "processing," it will not play, or it will play with errors. Use apps like Video Player for Google Drive
Using the Google Drive for Desktop app is more reliable than a browser upload for large files. Using the Google Drive for Desktop app is
Google Drive's native video player may not support all MKV containers or codecs.
If the video remains in the "processing" stage for over 48 hours, it has likely failed and needs to be re-uploaded, ideally with a different name. 2. Solutions for Long/Large Uploads