Columbia University IT (CUIT) offers a third-party survey solution called Qualtrics, available as a paid survey tool service with full support included.
Qualtrics is an easy to use, full-featured, web-based tool for creating and conducting online surveys.
Quick Survey Builder that guides beginners through creating a survey
Able to distribute and track survey participation, invitations and reminders
Robust, graphical and custom reporting of results
Can export data to Excel or SPSS
Full Qualtrics support available
Qualtrics has a comprehensive and user-friendly support website, which is included when you purchase the tool through CUIT. You can find tutorials on the survey features, guides on how to best build your survey and a robust search functionality for exploring functions and questions on their site: https://www.qualtrics.com/support/