As of 5 May 2025, website owners beware: You will need to be ready for Microsoft Advertising’s Consent Mode. Microsoft Advertising will require all websites using its tracking tools to send a “consent signal” when visitors come from the European Union, United Kingdom or Switzerland. Citing its concern with protecting users’ personal information for both regulatory and consumer trust purposes, Microsoft takes this step in an effort to align with major global privacy laws, such as the EU’s GDPR.