C:Program FilesSketchUpSketchUp VersionResourcesen-USTemplates
C:UsersusernameApp DataRoamingSketchUpSketchUp 2017Templates
. On Mac OS X, you need to make your Library files visible in order to see them, and your templates are saved in this location: ~/Library/Application Support/SketchUp 201#/SketchUp
, where #
reflects your SketchUp version number.