This week, the following Quick Tips were posted at HowTo-Outlook’s Q&A blog MSOutlook.info;
What is stored in the ost-file and why is it larger or smaller than my mailbox?
Outlook vs. Outlook.com vs. Outlook Web App
Quick Tip Highlights;
Do not automatically accept meeting as Tentative
Open Outlook search results in a new window
Week numbers in Calendar
These tips and other headlines can also be followed via 
