FORMAT & CODEC PROBLEMS

MOV won't upload to YouTube Shorts? What to check

Yes - YouTube (and Shorts) accepts MOV uploads directly. Check the upload surface first, then the actual codec, duration and file size. This compatibility record does not diagnose your particular file.

Check these first

Likely causes

Fix it

Check your file

Extension and MIME type are labels, not proof of the container. Dimensions and duration come from this browser's media reader. This does not detect codecs, bitrate, corruption or platform upload compatibility. Files and measurements are not sent anywhere.

Platform reference and evidence

These reference values have partial source coverage. Ratios and dimensions are editing guidance; account and upload-surface limits can differ. Approximate or unknown values do not certify eligibility.

Platform
YouTube Shorts
Editing ratio
9:16 or 1:1
Max length
up to 3 minutes
Max file size
256 GB overall upload cap; Shorts duration rules still apply
MOV support
Yes

Duration and size: reference and limitations. Approximate values still need confirmation in your composer.

Format reference scope: YouTube video uploads; Shorts also requires an eligible shape and duration. Source checked 2026-09-12; this does not verify every reference field. YouTube supported file formats

Full YouTube Shorts spec cheat sheet · Does YouTube Shorts support MOV?

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