If your SLIM-DataManager database was exported from a larger database (or if you previously cleaned out projects you don’t want to import to SLIM-Collaborate), there’s a good chance that not all keywords defined in the source database are used by the projects you will import. Check the checkbox to import only keywords used by the projects you’re importing. If the box is unchecked, all keywords defined in the current database file will be imported, regardless of whether any of the imported projects use them.