In this article

01 Formatting moves closer to the matching step

02 Keep the current upload rules until your connection changes

Google Ads says Data Manager will stop requiring SHA-256-hashed customer data from November 16, 2026, and support encrypted customer data by default. The notice covers offline data used for Customer Match and enhanced conversions.

A Google email shared by Anthony Higman names CRM connections, cloud storage imports, direct file uploads and the Data Manager API. It does not say whether existing prehashed uploads will remain supported after the change.

Google says the new process will decrypt, normalize and match data with Google accounts inside a hardware-isolated trusted execution environment, or TEE.…