WEBINAR | 2026 AdTech Forecasts and CES Takeaways, January 21 at 9 AM PST

What is a WAID?

Windows Advertising Identifier (WAID) | Definition

A WAID (Windows Advertising Identifier) is a unique advertising ID for each user on a device, which app developers and advertising networks can then use for their own purposes, including the ability to provide more relevant advertising in apps.

<3>Related Terms

Attribution
Unique User
UUID