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Microsoft Advertising · Status at source date: Newsletter archive

Microsoft Advertising adds negative keyword support for Performance Max

Written by Paid Media Collective
IN BRIEF

Microsoft Advertising has introduced self-serve negative keyword management for Performance Max campaigns, allowing advertisers to add, modify, or delete negative keywords at the campaign or account level: including via shared negative keyword lists with a 5,000-keyword limit. Negative match types behave identically to standard Search campaigns, and the feature is supported in the API, Ads Editor, and via import from Google Ads.

Original newsletter image: Microsoft Advertising adds negative keyword support for Performance Max
Via the Paid Media Collective newsletter. Original visual creator unverified.View full-size image
Original newsletter image: Microsoft Advertising adds negative keyword support for Performance Max
Via the Paid Media Collective newsletter. Original visual creator unverified.View full-size image

What changed

One important constraint: negative keywords currently apply only to Search and Shopping inventory within PMax, not to audience or display placements.

THE COLLECTIVE PERSPECTIVE

Why it matters for advertisers

For you, this means the most requested PMax control is now available on Microsoft: a meaningful step for advertisers who have found PMax difficult to manage without exclusion capabilities.

Perspective from the original PMC newsletter.

Sources & contributor credit

  1. Newsletter coverage · Paid Media Collective newsletter

    Original newsletter text, contributor labels and media for this update.

  2. Source referenced in newsletterMicrosoft Advertising Blog

    Linked from the original newsletter. The source publication date has not been independently confirmed.

Official Source

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Attribution evidence and limitations

Full attribution review pending.

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Published on this site

This update reflects the dated source reporting. Availability may have changed. Further coverage of this same development will be added to this page.

Explore the source reporting
Original newsletter text and archive evidence

Microsoft Advertising adds negative keyword support for Performance Max

Microsoft Advertising has introduced self-serve negative keyword management for Performance Max campaigns, allowing advertisers to add, modify, or delete negative keywords at the campaign or account level: including via shared negative keyword lists with a 5,000-keyword limit. Negative match types behave identically to standard Search campaigns, and the feature is supported in the API, Ads Editor, and via import from Google Ads. One important constraint: negative keywords currently apply only to Search and Shopping inventory within PMax, not to audience or display placements.

For you, this means the most requested PMax control is now available on Microsoft: a meaningful step for advertisers who have found PMax difficult to manage without exclusion capabilities.

Source captured . No explicit first-contributor label was provided for this update.

Newsletter coverage (1)📰 🦸‍♂️ Paid Media News (Week 12) 🦸♀️ · 23 Mar 2026