You cant, it has to be done one at a time. If you want to manage your
highlights in bulk use the annotation browser tool in calibre itself.
(Preferences->Toolbars to add the tool)
There is no in browser method for exporting highlights. One could
conceivably be added, of course, however its not something I
particularly care about. What's your use case for it?
You cant, it has to be done one at a time. If you want to manage your >Toolbars to add the tool)
highlights in bulk use the annotation browser tool in calibre itself.
(Preferences-
status wontfix