The basic features are available in Outlook 2013 RT: you can connect to multiple Exchange servers, EAS, POP3, or IMAP accounts, send email, use the calendar and contacts, but you can't use macros or install add-ins.
After the latest round of Office 2013 updates, some IMAP users are reporting their Inbox is not listed in their profile, is empty, or their IMAP accounts aren't syncing.
With two "versions" of Office available, click-to-run or MSI, many users are confused when the monthly updates are released but won't install on their computer.
How to uninstall Office 2013 updates when you are using click-to-run installations such as Office 2013 Home Premium or Home and Business.
Outlook 2013 RICHED20.DLL bug: the font used in the first field on a custom form is tiny. The field properties look fine, the font size is set to a reasonable size, like 8 point, but the text is very small.
Solution for missing navigation bar in Outlook 2013 after installing September 2013 updates.
How to pre-configure Outlook 2013's pinned peeks using registry values.
Several users who recently upgraded to Outlook 2010 or Outlook 2013 wondered what happened to the reminder bell: The Calendar reminder bell is not displayed on the month view. It's on the other views. How do I turn it on for the month view? Microsoft turned off the bell to give a cleaner appearance. You
How to fix 'Outlook cannot discover settings for your account because a network connection could not be established. You may need to turn off Work Offline to automatically configure this account.' error in Outlook 2013.
I don't recommend that new users start using the Journal, but if anyone who used journal with an older version of Outlook and upgraded to Outlook 2013, can use a bit of VBA magic to autojournal documents.