How to Enable The Experimental “Ribbon” Interface in LibreOffice
 

If you love Microsoft’s “Ribbon” interface but prefer the free and open source LibreOffice, you can get the best of both worlds…if you’re willing to put up with an experimental feature. While not officially an alternative to the Ribbon, LibreOffice’s “Notebookbar” bears an uncanny resemblance, and it’s a big improvement on LibreOffice’s old-timey toolbars.

https://www.howtogeek.com/294439/how...n-libreoffice/