change domain from .at to .com

It is not plain .at to .com. It is full usual chance of domain.

First take MySQL and FTP backups (make sure that they works). Basic thing is written here on WordPress doc. But in real it is laborious work.

You have to change all stillesbunt.at to stillesbunt.com domain in WordPress database tables wp_options, wp_posts, wp_links, wp_postmeta. For that you need to use these kind of plugin or search and replace plugin or use this kind of SQL script or run the SQL commands.

Changing email needs domain named email (free service like Zoho with is industry’s standard) or use cPanel’s domain name email. Simply change from WordPress admin.

301 redirect stillesbunt.at to stillesbunt.com.