No, per our strict Privacy Policy:
- “We don’t save or share your search or browsing history when you search on DuckDuckGo or use our apps and extensions.”
- “In the process of delivering our search results and other content, we also prevent our hosting and content providers from creating a history of your searches and browsing.”
Regarding Microsoft specifically, see this blog post about our Web Tracking Protections: “Microsoft scripts are not and have never been embedded in our search engine or apps, which do not track you.”
Prior versions on GitHub.