There are people wondering if it is possible to upgraded to Magento 2 from Magento 1 via admin panel or Magento Connect? The answer is definite: No, it is not possible to update to Magento 2 via admin interface or Connect.
Connect database of your Magento 1 to Magento 2. Select the entities you want to migrate. Start migration.
- The add-on comes with the following features:
- Selective migration of entities.
- Support of all entities: products, orders, customers, etc.
- Direct SQL connection.
- No store downtime.
The add-on is installed atop of Improved Import and Export extension for Magento 2.
The core reason is crucial difference in code and database between Magento 2 and 1. Therefore, there are data migration tools designed for moving data from 1.x to 2.x. For further information, check this post: Migration to Magento 2.