I think this is all to do with conduits. You need to ensure that you've set up your T3 to sync in with Outlook.
Depending on your setup, if you rightclick the hotsync button on the taskbar and click custom you should see the OUtlook programs and what the T3 is scheduled to do with them (i.e. synchronise, do nothing, overwrite etc). (You have to bear with me cause I use Keysuite instead of the lame palm calendar etc so this is from memory.) You should then be able to tell the T3 to sync in with Outlook.
If outlook is not showing then you need to reinstall the conduits. You can find all the relevant information and files you need to do this from here:
http://www.palmone.com/us/support/outlooksupport.html
hth
PEN