What is the best codec to upload a video with an alpha channel background to Adobestock?

I would like to know what extensions and codecs are available for uploading even if there is an alpha channel.

The following didn't work because the thumbnails were blurry
Extension → .MOV　
Codec → Apple ProRes4444

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Participant

I tried a few times and got it OK.

Community Expert

This is NOT as much a question for Adobe Stock as it is for Premier or Media Encoder.

Video Requirements for Adobe Stock:

Nancy O'Shea— Product User & Community Expert

Community Expert

If this does not offer the answer, then there is none. I fear, however, that there is no easy solution to this.

ABAMBO | Hard- and Software Engineer | Photographer

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