This refers to Moodle 3.10 from August 2021 onwards

How to edit videos in Moodle

You can easily upload and share media files in Moodle and your students will be able to play the content back on any device.
You can also ask your students to submit media assignments. If you want to do this, please refer to the alternative documentation How to add a Video or Audio Assignment.
If you want to upload media files outside of Moodle, please refer to the alternative documentation How to use MediaSpace.

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For more detail, refer to the comprehensive guide to using the video editor.

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