A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation
The Shared with field is where you determine who can view/own your video and which groups/channels the video is a part of.
Use the search drop down list to narrow your search scope and pick who you want to share your video with.
My groups - search scope to add your video to a group that you can contribute to
Channels - search scope to add your video to a channel directly, including companywide channels
People - search scope to grant permission to individual people, AD Security Groups, and/or Office 365 Groups that you don't have contribute rights to