This document provides information about Atlassian's cloud migration program and resources to help customers transition from self-managed to cloud-based Atlassian products. It outlines Atlassian's timeline for sunsetting on-premise licenses and introduces the Atlassian Migration Program, which includes migration managers, tools, and a partner network to assist with planning, preparing, testing, and executing migrations. The document also shares lessons learned from customer migrations and highlights the importance of planning, assessing apps and customizations, establishing success metrics, and taking a team approach to migrations.