Like most people I have my bb and personal email accounts set up on my device. When I use my device to schedule an appointment and then attempt to invite someone to participate, the invitation always goes out under my bb email account and not under my personal email account as I would want it to? How do I add my personal email account to the calendar appointment invitations?

Is what you are calling your "bb" email in fact your employer-provided email account, and your BlackBerry is on BES and BIS?
Posted via BlackBerryForums.com Mobile

try setting the following

go to

Options >
Device>
Advanced System Settings>
Default Services>

Change the messaging to your prefered e-mail account

hope that helps

Mark

OR, you can drop down the box that says "Send Using" and pick the mail system you want to use.