Microsoft is expanding PMax testing with two new experiment types that help measure campaign impact and validate upgrades.

Improve Microsoft Advertising performance with stronger AI signals, measurement, creative, and campaign structure.

Microsoft Advertising has opened up a new betas for Performance Max experiments. There are now Max upgrade or uplift experiment available in Microsoft Advertising.

Compare how the two ad platforms approach Performance Max. See what’s shared, what’s different, and what matters most for your 2026 strategy. Performance Max (PMax) campaigns have become the ...

Microsoft Advertising now adds conversion and spend data to PMax placement reports, giving clearer insight into performance. Microsoft Advertising is expanding its Performance Max reporting with ...