LibreOffice has came a long way and now can be used to replace Microsoft Office. LibreOffice is available for all 3 platforms Windows, Mac, and Linux. So once you move to Libre you can also move to any OS 90% of the time (unless you have an app which tied you down to an OS). As this year is a perfect time to move to Linux OS if you can (more on this in some another blog).
LibreOffice is a powerful office suite – its clean interface and feature-rich tools help you Try it out, let me know did you liked it.
You can download it from https://www.libreoffice.org/download/download/