If you're just starting off with BlogEngine.NET, all of your data will be stored in XML files in your App_Data folder.
Some web hosts such as GoDaddy who have an automatic BlogEngine.NET setup option, might setup your blog so data is
stored in a
database instead. If your blog is new, you don't yet have any data, and you want to switch from XML storage to
Database storage.
If you have an existing blog and you want to switch the backend your data is stored in (switch from XML to Database or
Database to XML), a BlogEngine.NET
Provider
Migration tool is available!