Display your calendar in a by category view, select the category and delete it.

--�
Milly Staples [MVP - Outlook]

Post all replies to the group to keep the discussion intact. All
unsolicited mail sent to my personal account will be deleted without
reading.

After furious head scratching, OArkh asked:

| Well, once again it seems that my computer better knows what I
| actually need. Bad news...
| Probably there is a way to auto-delete all autocreated appointments?