1. click on export
2. save to your machine
3. open new course
4. under add an activity, add a new glossary as a secondary glossary, save it with nothing in it.
5. open the new glossary at the course.
6. upper right hand corner is Import entries. Import your file from your machine into your new glossary.
7. If you want that glossary more available to other courses, create a sticky block with a hyperlink to that glossary. It will show on all the course pages.