ARCHLine.XP imports and exports SketchUp file formats up to the latest version of SKP 2022.
SketchUp format exports outer and inner boundaries out of planar mesh regions.
It saves geometry objects and embeds textures used by materials.
File - Export - SketchUp
Specify required SketchUp SKP file version with the next dialog box.
Press the OK button to convert your model into SKP file to an older or latest SKP file version.