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Friday, January 2, 2026

Microsoft Ads launches Supplemental Feeds to streamline product updates

 

Microsoft Ads has launched Supplemental Feeds, letting merchants update product details quickly without re-uploading entire catalogs.

Microsoft Advertising is rolling out Supplemental Feeds globally, giving merchants a faster, more flexible way to update product details without re-uploading entire catalogs.

Driving the news:

  • Advertisers can now update fields like titles, descriptions, labels, sizes, colors, or promotion IDs independently of their main feed.
  • Supplemental data always overrides primary feed data, and clearing it requires uploading empty fields or deleting the feed.
  • Only one supplemental feed can be applied per language and feed label/country of sale combination.
  • Uploads can be done manually in Merchant Center, via FTP/SFTP, or URL download.
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Why we care. For retailers heading into peak season, accurate and up-to-date product data is critical. Supplemental Feeds aim to cut the manual effort, reduce errors, and keep listings competitive when shoppers are most active.

Zoom out. Supplemental Feeds headlined a broader wave of updates from Microsoft Ads, including:

The bottom line. Supplemental Feeds and the broader update package show Microsoft leaning into efficiency, transparency, and quality control — giving advertisers fresh tools to sharpen campaigns before the holiday rush.

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