Video recordings/downloads do not play

Hello,
My videos open in VLC just fine and they have .mp4 extension but I cannot play them in margin notes 3. The video simply looks blank. I experience this issue with many of lectures I screen recorded and downloaded lecture videos. Some work, some do not. What can I do about this issue?

Thank you for your help.

Hello

So sorry for this inconvenience.

Could you send us some of the video so that we could run some tests?

Send an email to service@marginnote.com with the link of this post attached.

Kind Regards,
MarginNote-QSD
Support Team

Hello

Hello, at present, MarginNote 3 only supports videos that are supported by the system album, you can play them in the system album to see.

Kind Regards,
MarginNote-Relight
Support Team