MigrationPro, They migrate concurrently as you migrate from one PrestaShop to another:
To upgrade or migrate PrestaShop 1.4.x to PrestaShop 1.7, PrestaShop 1.5.x to PrestaShop 1.7, PrestaShop 1.6.x to PrestaShop 1.7, PrestaShop 1.7.x.x to PrestaShop 1.7.x.x, or to move data between PrestaShop shops;
move or migrate data from multiple stores to a single one;
Migration background (can review the history of migration)
any time, resume or restart the migration procedure
may view the migration’s completion rate;
restoring the past
Move several shops
