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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New Appointments are saved in the wrong calendar
When you use an IMAP account in Outlook 2013, appointments and contacts are stored in the IMAP data file. Create a local pst file and move the appointments and contacts to the local data file.

View Site or Shared Mailboxes on a Smartphone?
Public folders won't sync to smartphones, but what about site mailboxes? Can they sync?

How to Export Outlook Data to a PST File
Occasionally you'll need to export data from Microsoft Outlook. Export is appropriate for moving calendar or contacts to another computer or backing up your calendar and contacts apart from your email, but should not be used to backup the entire pst. (Note Backup your contacts regularly if you sync with a mobile device.) To export

Change the Reminder on Several Appointments at Once
Changing the reminder time on a group of appointments or events is easy. Just use a group by view with the Remind Beforehand field visible and group by it. Then drag items to the group with the reminder time you want them assigned to. First, when possible create a view with the items you need

How to Create a Pick-a-Meeting Request
This frequent request comes from users looking for a way to send out meeting requests for training sessions or benefits meetings with HR, where each employee can pick the session that fits their schedule.

Create a Custom View to Show the 'Remind at' Time
How to create a custom view to print or display the actual date a reminder is set for in Outlook.

Outlook VBA: Use a Text File to Populate a ListBox
This code sample demonstrates how to use the contents of a text file to populate a ListBox. This works for ComboBoxes and TextBoxes. A client adds keywords to message subjects so it's easier to find the messages later but had a problem: if he misspelled a keyword or used a slightly different keyword, he might not find the message. My solution is a macro that lists keywords to choose from. He can select one or more keywords then click OK to add the keyword(s) to the subject.

How to Show Appointments as "Free" by Default
Do you want most of your new appointments to use Free (or Tentative or Out of Office) as the default for the "Show as time" instead of Busy? Outlook doesn't have an option to set the "Show time as" default but you can create a custom appointment form with "Show time as" set to Free,

Changing the End Date on Recurring Appointments
How to end a recurring appointment or cancel future events in a recurring meeting and keep any exceptions (including notes in individual occurrences or appointments/meetings moved to different dates).

How to Repair Office 2010, 2007, or 2003 Installations
Follow the instructions on this page to repair your Office 2010, Office 2007 or Office 2003 installations to fix errors in Outlook. For help repairing Office 2013 or Office 2016, see How to Repair Your Office or Outlook Installation Outlook 2010 Because Office Diagnostics was mostly useless, it was removed from Office 2010. You'll need
Find and Delete Extend.dat
When you receive and error that Outlook can't find and add-in, the usual cause is that you uninstalled it but Outlook didn't delete the file it uses to keep track of installed add-ins. This file is extend.dat and is found in the (hidden) local app data file under your user account. It's in the same

Display (or Hide) Start and End Times
Whether the Start times display in the calendar is wholly dependent on the size of the Calendar section. If the calendar is too narrow, the times are hidden.