Whenever you link your outlook account to POP3, the option to store the linked password needed to be checked to store it permanently. But, if you leave it unchecked, then you will be prompted to enter the password every single time you send an email. Isn’t this an annoying issue which needs to be rectified as soon as possible? So, in order to resolve this issue, you need to make a call at Outlook Support Phone Number
and get establish with highly knowledgeable professionals. They will provide you the step wise solution to fix prompting password issues in outlook mail.