Migrating to or from multisite is hard. In this article, Nícholas André simplifies the whole migration process by reducing the endeavor to a couple of CLI commands. The WordPress Importer works reasonably well for smaller, simpler sites, but leaves room for improvement. The MU-Migration tool, a WP-CLI command that helps developers migrate sites to or between multisite instances. Multisite migrations have various technical complexities, and this tool can help alleviate them.