Prepare Your CSV File for Data Updates

When creating a CSV file, ensure it meets the following requirements:

Parameter	Allowed Values
Encoding	UTF-8
Line separator	CRLF
Values delimiter	Comma
File extension	.CSV
Headers	Yes

Ensure your CSV file includes a minimum of one data row and, at the least, one of the columns listed in the table below.

Adhere to the specified naming conventions for proper processing of the columns.

Header Name	Value	Country	Description
email_sha256	SHA-256	All	A 256-bit cryptographic hash derived from a normalized email address, follow the formatting guidelines for normalization
phone_sha256	SHA-256	All	A 256-bit cryptographic hash derived from a normalized phone number, follow the formatting guidelines for normalization
address_sha256	SHA-256	All	A 256-bit cryptographic hash derived from a normalized postal address, follow the formatting guidelines for normalization.
personal_id_sha256	SHA-256	SE	A 256-bit cryptographic hash derived from a normalized personal identifier
aaid	Raw	All	Android Advertising ID (Google)
idfa	Raw	All	Identifier for Advertising (Apple)
custom	Raw	All	User identifier (like user ID, CRM ID, CDP ID or similar)