I've been having loads of issues with my Outlook.com acct. with AirMail, constantly getting prompted for login. I paid for both the Mac and the iOS version but

I've been having loads of issues with my Outlook.com acct. with AirMail, constantly getting prompted for login. I paid for both the Mac and the iOS version but I'll have go over to Spark/back to the built-in Mail app, it seems