Emmanuel,
Right, so your personal folder is never actually synced with the server? Rather it's a standalone date file used for private emails?
The secondary issue is an easy one. When you have (or have had) multiple profiles you have the option to choose profile prompts, or to choose a specific profile to open into every time. Take a look at the following article for more details.
https://support.office.com/en-ca/art...9-ef3fdddaf43d