Personal data of subscribers is stored primarily in Customer Accounts and Contacts. You can identify and download this personal data by exporting data from the Account data source and the Contact data source.

1. To identify the custom fields and custom objects that may contain personal data, review the labels and descriptions of the custom fields and custom objects that are defined in your tenant.
2. After identifying the custom fields and custom fields that may contain personal data, you can download the personal data by exporting data from the relevant data sources.