For security and tax purposes, it is not possible to delete orders from the order list by default.
Refer to your situation in this table to find a solution:
|You want to help a customer who has explained they've purchased from your site by mistake.||
If privacy is requested from the customer, you can delete the customer's information from eCom. Read Managing privacy requests from customers for more information.
|You have a mixture of test and customer orders.||Cancel your test orders. Deleting your test orders without affecting your customer orders is not possible. Read Cancelling orders for more information.|