You can't remove the default Outlook data file (see here or here). But I don't want that the inbox of the empty data file (only used for storing calendar events, because IMAP can't handle this) is opened as default.
I tried to add my inbox folder as favorite and put it on top. I also removed the other favorites, but every time I open Outlook 2010 the inbox folder of the default data file is opened. Also in the account settings I set my IMAP account as default. Nothing helps.
How can I set my IMAP account to open as default on startup in Outlook 2010?