Last Updated: 2021 (Retrospective Analysis for Legacy Systems)
The short answer: is the final, stable, and fully compatible suite. Office 2016, 2019, and Microsoft 365 (formerly Office 365) will not install or run properly. microsoft office for mac os x lion 1075 2021
This article provides a definitive guide to installing, optimizing, and securing Microsoft Office on OS X Lion 10.7.5, circa 2021. Before downloading any software, you must understand the technical wall you are hitting. Apple’s OS X Lion 10.7.5 was released in July 2011. It is a 64-bit operating system, but it lacks the API frameworks required by modern software. Before downloading any software, you must understand the
| Office Version | macOS Requirement | Compatibility with 10.7.5 (in 2021) | |----------------|-------------------|----------------------------------------| | | macOS 10.15 (Catalina) or later | ❌ No – Installer refuses to run | | Office 2019 | macOS 10.13 (High Sierra) or later | ❌ No – Missing required libraries | | Office 2016 | macOS 10.10 (Yosemite) or later | ❌ No – First build requires Yosemite | | Office 2011 SP3 | macOS 10.5.8 (Leopard) – 10.13 (High Sierra) | ✅ Yes – Full compatibility | | Office 2008 | macOS 10.4.9 – 10.6 (Snow Leopard) | ⚠️ Partial – Runs but no longer opens modern .docx files reliably | | Office Version | macOS Requirement | Compatibility with 10
The pressing question at the time (and still for archival purposes) was:
| Software | Compatibility | Best for | |----------|--------------|-----------| | (last Lion-compatible version) | ✅ Full | Opening modern .docx / .xlsx files with better compatibility than Office 2011 | | Google Docs in Firefox 48 (legacy browser) | ✅ Partial | Cloud editing, but slow | | Apple iWork ’09 (Pages, Numbers, Keynote) | ✅ Full | Simpler documents; export to .docx / .xlsx | | AbiWord | ✅ Basic | Lightweight text editing |
If you are reading this, you are likely one of a shrinking but determined group of users still running on an older Mac, perhaps a 2007–2010 iMac, MacBook Pro, or Mac mini. In 2021, Apple had moved on to macOS Monterey, but many users clung to Lion for compatibility with legacy printers, 32-bit apps, or music production hardware.