Outlook isn't all that complicated to use once you figure it, but trying to explain how to do something in Outlook often takes longer than just showing how to do it.
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Configure and Use IMAP Accounts
Configure and use IMAP accounts with Microsoft Outlook. Learn how to configure Sent items and Deleted items folders in Outlook 2007 and up.

Deliver All POP3 Accounts to One Outlook Inbox
How to configure Microsoft Outlook 2010 to deliver POP3 accounts to a single personal folders data file (pst).

Choose the Folder Outlook Starts Up In
Newer versions of Outlook let you start in any folder in your profile. You can use this method to open Outlook with a non-default folder - this is especially handy if you want to start in a different calendar folder. If your startup folder is a Mail folder and Outlook is opening in the Folder

Edit and Save Outlook's Read-Only Attachments
Solutions available! When attachments are opened from a message in Outlook 2010, they are read-only. Users cannot edit the attachment and save the changes back to the message, they need to save the attachment to the hard drive and reattach it.

Filter the To-Do List to Show Only Tasks
How to create a custom filter to show only Tasks in the To-Do Bar folder.
How to recreate a Search Folder you deleted
How to restore a deleted Search Folder in Outlook
Response to this meeting request will not be tallied
When you create a meeting request in a secondary calendar, you'll get a message that responses to the meeting request won't tally because the meeting is not in your default calendar: This meeting is not in the Calendar folder for this account. Responses to this meeting will not be tallied. Do you want to send anyway?

Configuring More Email Account Settings
How to open the More Settings dialog to configure Outgoing (SMTP) server settings, port numbers, and other settings.
How to Insert a Text or HTML File into a Message
You can insert text or HTML files in messages in Outlook (any version.) Use this to insert "boilerplate text" or HTML created in an HTML editor. In Outlook 2016, you need to customize the Quick Access Toolbar or Ribbon to add the Insert File command to the ribbon - the default Attach File command on
How to View the Organizers of Your Appointments
A frequent equest is "How do I see who organized these meetings?" Easy: use a custom view that includes the organizer field. If you need to see the organizer for just one item in Outlook 2007 or Outlook 2010, the organizer is displayed on the appointment in Calendar view. The Organizer's name, along with the

Editing received email messages
It's simple to open a received message to edit it or change the format of messages. You can use this method to add notes to a message or add attachments to a message. You don't need to go into edit mode to edit the subject field: simply type in the subject field of an open

Change the Reading Pane Options
By default, Outlook marks a message read a few seconds after the message is selected. This can result in messages accidentally marked as read.