MongoDB to Azure Cosmos DB migration is in preview
Published date: December 11, 2018
Perform offline (one-time) migrations from on-premises or cloud implementations of MongoDB to Azure Cosmos DB by using the Azure Database Migration Service, which enables resilient migrations of MongoDB data at scale and with high reliability. To perform the migration, provision an instance of the Database Migration Service from the Azure portal or via Azure CLI and create a project.
Read our documentation to learn more about performing these migrations.