Aaron,
Could it be that this is the catch: if you use a view on Activities in your dashboard, then the multi edit works. If you use a view on Appointments, or Email messages, then the multi edit doesn't work.
Aaron,
Could it be that this is the catch: if you use a view on Activities in your dashboard, then the multi edit works. If you use a view on Appointments, or Email messages, then the multi edit doesn't work.