How do I install OpenOffice on macOS?
From Apache OpenOffice Wiki
How do I install OpenOffice on macOS?
Visit the OpenOffice website at https://www.openoffice.org and locate the icon with the download option on the top menu bar of the website with the word 'Download'.
Click on it, and you will be presented with a green area holding some options. Make sure your operating system 'OS (version >= 10.7) (DMG)' is selected (unless you have an older mac which would be 32-bit).
Select the version and language and click on Download full installation.
- Download the .dmg installation file.
- Drag and drop the AOO icon to the Application icon.