Uploading unsubscribed contacts
This page shows you how to upload unsubscribed contacts to ensure compliance





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This page shows you how to upload unsubscribed contacts to ensure compliance
When first onboarding to Cymbal from another provider, we highly recommend uploading a list of your existing unsubscribed contacts to ensure compliance with CAN-SPAM and TCPA requirements.
Steps to Upload Unsubscribed Contacts
Go to Audience tab
Click Add contacts (top right)

Select Upload CSV

Upload your file by either:
Clicking Choose a file, or
Dragging and dropping your file onto the screen

Unsubscribe everyone – marks all as unsubscribed.

Map your CSV fields to Cymbal attributes:
Left column = your CSV column names.
Middle = assign each to the correct Cymbal field (e.g., email, phone, first name, last name).
Right column = preview of your CSV data for accuracy. Click Continue.

Cymbal will process your CSV (this may take a few minutes). Your audience size will update once complete.
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