: SP2 resolves critical database daemon crashes in Outlook and fixes font rendering bugs specific to OS X 10.7.5. 4. Service Pack 3 (SP3) — Version 14.3.0

to sync documents if Office fails.

Even with updates, some issues may occur when running Office for Mac on OS X Lion. Microsoft has documented several known issues that might affect specific applications in certain configurations. Here are the most common problems and their solutions:

: OS X 10.7 Lion completely eliminated Rosetta, the background engine that allowed older PowerPC-based software (like Office v.X or Office 2004) to run on Intel processors.

This is the final version of LibreOffice that officially supports OS X 10.7. It is completely free, open-source, and can read and write Microsoft Office formats.

⚠️ Support ended in 2017. No Office 365 or newer versions work. Upgrade your Mac or use offline only for safety.

Running a version of macOS as early as 10.7.5 (Lion) in 2026 presents unique software challenges. While Microsoft Office was a staple for this operating system, compatibility with modern versions is non-existent, and even legacy support has long since concluded.

Before installing, back up your OS X Lion system using Time Machine to an external drive. And remember—upgrading to OS X El Capitan (10.11) would allow you to run Office 2016, but that’s a story for another article.