Multiple Accounts

When you use Microsoft Outlook 2010 or Outlook 2013 and have multiple accounts delivered to different *.pst files, Outlook doesn’t use the default account set in Account settings. Instead, it uses the account associated with the mailbox or *.pst file the folder you are viewing is stored in. This change in behavior doesn't work well when an IMAP is configured to be the default email account and you have a POP3 account delivered to the default pst file.

Arguably the best feature introduced in Outlook 2010 was support for multiple Exchange mailboxes within a single Outlook profile. Before we begin discussing that feature, let’s introduce a couple of concepts. The first is called "message fidelity". It’s fun to say. :) The basic concept is that a message created by Outlook can have many attributes  

This is another one of those areas where Outlook behaves differently depending on whether Outlook is running in Internet Mail Only (IMO) or Corporate/Workgroup (CW) mode. Outlook 97 has only one mode — the equivalent of Corporate/Workgroup. Beginning with Outlook 2002, Outlook is available in only one mode and offers the flexibility of the IMO  

By default, Outlook always replies to and forwards mail using the account the message arrived on. Most of the time, this is how most of us want Outlook to handle our accounts. But there are times when you might want to send the reply from a different account. We show you how to do this.

How to configure Microsoft Outlook 2010 to deliver POP3 accounts to a single personal folders data file (pst).

This problem affects Outlook 2010 users with multiple POP3 accounts delivered to one *pst file: Outlook 2010 is downloading duplicate emails over and over again, but only for my additional accounts, not my default account. I have "Leave a copy of messages on the server" enabled and when I take this setting off, Outlook does