Google Ads Cut Granular Data to 37 Months (17 Months After Promising 11 Years)
Google Ads will cut granular reporting retention from 11 years to 37 months on June 1, 2026, roughly 17 months after announcing the longer window. Daily, hourly, and weekly data older than 37 months will be unreachable through the Google Ads API and scripts; queries that ignore the cap return