Thread:Sannse/@comment-34939548-20180108160437/@comment-24634078-20180108191835

Hover over My Tools. Click on "Mass Categorization". There are three modes, Add, Remove, and Replace, all of which are pretty explanatory. The large field is for the pages you want to edit. Click "Initiate" when you're ready to start editing, although typically Bots do this kind of thing.