Step-by-Step Instructions
Navigate to Audience Manager:
In your Google Ads account, click the Tools icon, select Shared library, then click Audience manager.
Create New Segment:
Click the blue + button and select Customer list.
Name your segment:
Choose a customer type (ex: qualified leads)

Data type should be Upload Emails, Phones and/or mailing addresses
Upload Data File:
Choose to upload a CSV file with your customer data (email, phone, first name, last name, country, zip).
Ensure your file follows Google’s formatting guidelines (e.g., proper headers). Data is hashed (SHA256) on your machine for security.
Set Compliance & Duration:
Check the box confirming the data was collected in compliance with Google's policies. Set a membership duration (how long users stay in the list).
Upload and Save:
Click Upload and create list.
Key Tips
- Data Types: You can use email, phone number, mailing address, and mobile device ID.
- File Requirements: Use a CSV file format.
Processing Time: It can take up to 24 hours for the list to fully populate.