: Creators often record product reviews in MP4 format to earn commissions through the TikTok Shop Seller Center . These videos must pass an approval process before appearing on product pages. Creator Tips for Reviewing Content
: If you see a "review" message on an MP4 you just posted, it means TikTok’s AI or moderation team is checking it for Community Guidelines compliance. This usually takes minutes but can last over 24 hours if flagged for sensitive content like violence or misinformation.
Depending on what you're actually looking for, here are the three most likely meanings:
If you are trying to create a video review (exported as an MP4): Tips for Managing Videos Under Review on TikTok
: MP4 is the standard and preferred format for uploading to TikTok because it balances quality with smaller file sizes, making uploads smoother compared to larger files like MOV.