D9af58f518bc7f075990d24a9b2461cc.part001.mkv

Do you have the of the file, or are you seeing an error message when trying to open this specific one?

Windows : copy /b file.part001.mkv+file.part002.mkv joined_video.mkv Mac/Linux : cat file.part* > joined_video.mkv 3. Play the video d9af58f518bc7f075990d24a9b2461cc.part001.mkv

Check your download folder for other files ending in .part002.mkv , .part003.mkv , and so on. All parts must be in the same folder for the reconstruction to work. 2. Join the files Do you have the of the file, or

Once merged, you can play the resulting file using a versatile media player like or MPC-HC , which handle MKV containers much better than default system players. All parts must be in the same folder

Since these are labeled as .mkv , they were likely split using a file splitter or a compression tool. You can try these methods: