: Use Word, Excel, and PowerPoint for free in your browser via Office.com
You cannot install Office 2024, Office 2021, or the new "Microsoft 365" app on El Capitan. You need the legacy installer. : Use Word, Excel, and PowerPoint for free
Office 365 for Macbook Air 10.11.6 OS X El Capitan - Microsoft Learn : Use Word
Access the Update history for Office for Mac archive directly. : Use Word, Excel, and PowerPoint for free
(DVD or USB) – but those are rare.