Sure, you can see help file (manual configuration of mail protection) or browse a little into ‘FAQ’ on my signature. You can see either the link ‘Settings’ to edit avast4.ini file.
It’s the easiest way… The settings will be done automatically.
Yes you can… but, remember, MS Outlook does not need Internet Mail provider or changes into the account settings. MS Outlook uses the MS Outlook/Exchange plugin of avast to scan messages.
Wellcome to avast! 