To change whether shared folders or Public Folders are downloaded when Cached Exchange Mode is turned on, do the following: Cached Exchange Mode enables a better experience when you use an Exchange account.
If you want to send the message immediately, do the following: In addition to Exchange folders, Cached Exchange Mode works with shared folders.
Examples of shared folders include another person's Exchange folders when you are using Delegate Access, or Share Point folders.
In this mode, a copy of your mailbox is saved on your computer.
This copy provides quick access to your data, and it is frequently updated with the server that runs Microsoft Exchange.
For example, you may use a laptop computer at your office and connect via a network cable to your corporate local area network (LAN).