This week, the following Quick Tips were posted at HowTo-Outlook’s Q&A blog MSOutlook.info;
Where is my Outlook pst-file located?
Junk E-mail Filter settings for multiple accounts
Quick Tip Highlights;
Searching mail faster with keyboard shortcuts
Change back the message list look in Outlook 2013
Can connect to Exchange via Mail app and phone but not Outlook or Outlook RT
These tips and other headlines can also be followed via 
