Comment 58 for bug 810622

(In reply to Rudo from comment #46)
> Hello All,
>
> I have the same issue since TB 45.0 - I am using several calendars:
> Exchange, Google, and default TB.
> If an event invitation arrives (from Exchange account), I have buttons to
> Accept, Decline, etc, but event is saves under default calendar, not to the
> Exchange one.
>
> I'd like to save events to Exchange calendar by default, or at least to
> choose which calendar the invitation is going to be applied.
>
> Is there a workaround for this ?
>
> Thanks a lot, Rudolf

I'm in the same boat except I'm dealing only with a local calendar and a Google Calendar.