> Is it possible to add birthdays en masse with a CSV file perhaps or
> some other bulk means?
Yes. You can add calendar entries with a CSV, just as you guessed. Export
your existing calendar so you can see what headers Outlook expects, then
create a file containing the birthdays you want. Import that. It won't add
the dates to the Contact records, though.

Signature
Brian Tillman
Thank you that was really helpful!
> Is it possible to add birthdays en masse with a CSV file perhaps or some
> other bulk means?