This week, the following Quick Tips were posted at HowTo-Outlook’s Q&A blog MSOutlook.info;
Setting Skype, Messenger, Lync or Communicator as the default IM client for Outlook
Which Outlook add-ins do I really need?
Quick Tip Highlights;
Quickly access mail folders in Public Folders
Additional snooze times in Reminder window
Process your mail quicker with keyboard shortcuts
These tips and other headlines can also be followed via 
