When you have Cached Exchange Mode enabled, Outlook by will by default cache the main Global Address List as well. This is called the Offline Address Book and is being generated on the Exchange server.
Due to various synching schedules, it can take up to 48 hours before you could actually see a change in Outlook after a modification has been made on the Exchange server or in Active Directory.
In this guide, the relevant timings are explained and instructions are given in how you can directly force an update and resync, which can be very handy when troubleshooting or when you work in an Exchange environment which sees a lot of user mailbox mutations.
Continue reading: Updating the Offline Address Book in Exchange and Outlook





One thing in Windows 8 which is impossible to overlook is the new Start Screen and its support for displaying real-time application information on its “Live Tiles”. For instance, it could show your upcoming appointments on the Start Screen or Lock Screen.
Thinking about upgrading your computer to Windows 8 or are you using Outlook on a Windows 8 computer already? The process is quite streamlined and trouble free for most configurations, especially when upgrading from Windows 7, but there are still a couple of attention points before you start.
While you can configure a default message format for composing new messages, Outlook will always reply in the same format as the original message.