Dear ABHISHEK SINGH979,
Thank you for reaching out to the Microsoft community. We are delighted to offer our assistance.
May I know if you are using the Anyonelink to embed the video? If not:
- Go to OneDrive and locate the video you want to embed.
- Click on the video to open it.
- Click on the "Share" button at the top of the page.
- In the "Share" pane that appears, under the "Permissions" section, select "Anyone with the link can view".
- Copy the link and embed the video.
Hope you keep safe and healthy always.
Sincerely,
Sean | Microsoft Community Moderator