Wordpress - how to migrate and keep post URLs

I want to migrate my WP blog to a new hosting service. All the blog post URLs are plain URLs in the form sitename.com/?p=9999. I want to keep the same at the new hosting service. I started my blog several years ago and did not understand the difference between plain URLs and SEO-friendly URLs. Since then I have posted links to individual posts in various places and do not want those links to break. How can I accomplish this?

https://stackoverflow.com/questions/66557380/wordpress-how-to-migrate-and-keep-post-urls March 10, 2021 at 10:06AM