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Xandr
Xandr, Inc. (pronounced "Zander") was the advertising and analytics subsidiary of Microsoft, which operates an online platform, Community, for buying and selling consumer-centric digital advertising.
In December 2021, AT&T sold Xandr (including AppNexus and Clypd) to Microsoft for an undisclosed price. The acquisition was completed in June 2022.
In 2023, Microsoft retired the Xandr name and consolidated the business under its Microsoft Advertising brand.
In 2025, Microsoft announced that it would shut down its buy-side Invest product in early 2026.
Following its June 2018 acquisition of AppNexus, Xandr was formed by AT&T to construct a national TV advertising marketplace.
Xandr was launched on September 25, 2018, at its inaugural AT&T Relevance Conference, in Santa Barbara, California. The name "Xandr" was chosen in honor of its parent company's founder, Alexander Graham Bell.
In June 2019, Xandr rebranded its AppNexus DSP, launching Xandr Invest, to serve as its central ad-buying hub.
On October 18, 2019, Xandr acquired Massachusetts-based Clypd, an audience-based sales platform for television advertising.
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Xandr
Xandr, Inc. (pronounced "Zander") was the advertising and analytics subsidiary of Microsoft, which operates an online platform, Community, for buying and selling consumer-centric digital advertising.
In December 2021, AT&T sold Xandr (including AppNexus and Clypd) to Microsoft for an undisclosed price. The acquisition was completed in June 2022.
In 2023, Microsoft retired the Xandr name and consolidated the business under its Microsoft Advertising brand.
In 2025, Microsoft announced that it would shut down its buy-side Invest product in early 2026.
Following its June 2018 acquisition of AppNexus, Xandr was formed by AT&T to construct a national TV advertising marketplace.
Xandr was launched on September 25, 2018, at its inaugural AT&T Relevance Conference, in Santa Barbara, California. The name "Xandr" was chosen in honor of its parent company's founder, Alexander Graham Bell.
In June 2019, Xandr rebranded its AppNexus DSP, launching Xandr Invest, to serve as its central ad-buying hub.
On October 18, 2019, Xandr acquired Massachusetts-based Clypd, an audience-based sales platform for television advertising.