Typically, with any online store, store owners may have various difficulties when managing the order system. Especially if you are using Magento 2 store platform, the order increment ID begins to run from 000000001 by a-9 digit number, which causes the ineffective management of stock.
Thus, you will want to change this number structure for the order number and other sales documents. Magento 2 itself cannot help you achieve it; you will need to have a tool that allows you.
Mageplaza Customer Order Number module is exactly what store admins need. This plugin helps facilitate the order ID system and improve sales management consequently.