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Letterhead Help Center
Audience
Support
Get Started
Newsletters
Features & Tools
Workflows
Settings and Customizations
Audience
Adding Audience
Promotions
Overview
Promotions
Sales Workflow
Pricing and Strategy
Advertisers
Get started
Purchase and schedule promotions
FAQ
Settings
Updates
Updates and Releases
Audience
How to manage your subscribers including adding, unsubscribing, batch uploading, tags, and segmentation.
Add a subscriber (3 ways)
Tags and segments
View or edit a subscriber
Adding Audience
CSV Audience Import
Zapier - Add/Remove Subscribers and Tags