Hi Varun,you seem to be one of the persons with the best knowlegde of all Adobe products 🙂We want to import Device-Ids (IDFAs, Advertiser Ids from Android) into AAM to create segments based on this. We get all device_ids from our customer from their users. Can we upload them and just using this method: Inbound Data File Contents: Syntax, Invalid Characters, Variables, and Examples ?Those users didn't have any contact with AAM before (e.g. on the Website or in an App). But it should be possible ...