Examples of shared folders include another person's Exchange folders when you are using Delegate Access, or Share Point folders.
To turn on or off shared folder support when you are using Cached Exchange Mode, do the following: Cached Exchange Mode provides you with a better experience when you use a Microsoft Exchange account. This copy provides quick access to your data and is frequently updated with the mail server.
The fact that it is hanging could be any number of things With weird outlook things in cached mode, the easiest first step is to either scan the OST file, or just delete it.
In program files\office14, run the scan PST to scan your OST file.
Just close outlook, (and communicator if you use it as well) delete the OST file, then re-open.
it will create a new OST file, and rebuild the cache.
If you want to send the message immediately, do the following: In addition to Exchange folders, Cached Exchange Mode works with shared folders.This copy provides quick access to your data, and it is frequently updated with the server that runs Microsoft Exchange.If you want to turn off Cached Exchange Mode, repeat the steps, but clear Use Cached Exchange Mode.Cached Exchange Mode enables a better experience when you use an Exchange account.In this mode, a copy of your mailbox is saved on your computer.