Facebook's Attribution Window is Changing from 28 to 7 Days in 2021 | Seer Interactive
Starting in 2021, Facebook is rolling out changes to attribution windows. Advertisers should be aware of the potential impacts on conversion reporting. Get up to speed here.
4 Nov 2020 ... Facebook will be removing the 28-day attribution option and instead, defaulting to 7-day attribution. The initial change was set for October 2020 ...