Article - Manage Imports
Article - Advanced Import
Article - Supporter Import Step 1: Format Your File
Article - Supporter Import Step 2: Import Your File
Hub - Salsa Knowledgebase

We also integrate more directly and automatically with Salsa via Zapier. Check out these guides:

Article - Zapier Integration Overview

Article - How to Get Started with Salsa Engage on Zapier

Article - Salsa Engage Integrations + Zapier

Article - Salsa Engage Help & Support