Update many contacts at once

Tick the contacts on the list (the box at the top ticks the whole page), and the toolbar appears.

The bulk toolbar.

Action	Does
Add Work	Creates a job for each contact.
Create Engagement	Starts an engagement for each.
Email	Writes one email to each.
Tags	Add a tag or Remove a tag.
Contact Type	Changes their contact type.
Client Owner / Client Manager	Hands them to a colleague.
Export	Downloads just these.
Delete	Deletes them, after confirming.

Clear Selection unticks everything.