Cookie database › Microsoft

ACH01 cookie

Marketing cookie set by Microsoft, lasting End of session (browser).

Is ACH01 firing on your site before anyone says yes?

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What the ACH01 cookie does

Maintains information about which ad and where the user clicked on the ad.

Who sets it

Consent category: marketing

Marketing cookies follow visitors across sites to build advertising profiles and to measure campaigns. They always require prior consent, and a consent banner has to block them until the visitor agrees.

NameACH01
CategoryMarketing
LifetimeEnd of session (browser)
Set byMicrosoft

Other cookies from the same vendor

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Conzent's scanner lists every cookie your site sets, classifies each one the way this page does, and shows which are set before the visitor has consented. Try Conzent free for 14 days, or look up another cookie.

From the Conzent cookie database, last updated 2026-10-13. Descriptions come from vendor documentation, cookie policies and our own scans; write to support@getconzent.com to correct one.