Microsoft officially ended support for Office 2011 on October 10, 2017 . This means no further security patches, technical support, or feature updates are provided. Legacy Support: Microsoft Office 2008
The most version of Microsoft Office for Mac OS X Lion 10.7.5 is Office 2011 with the 14.7.7 cumulative update . No newer version (2016, 2019, 2021, 365) will install. While this setup is stable and surprisingly performant on old hardware (Core 2 Duo or first-gen i-series chips), treat it as a legacy tool for offline work. For daily collaborative tasks in 2026, you must upgrade either your Mac (to a model running macOS Catalina or newer) or your workflow (to cloud-based alternatives).
Two critical vulnerabilities patched in version : microsoft office for mac os x lion 1075 updated
Disconnect your Mac from the internet. Open System Preferences > Date & Time and temporarily roll the system clock back to the year 2014 or 2015 . Run the installer again, then restore the correct time. Connection Failures in Outlook 2011
To install the software, you must use physical media (the original retail installation DVD) or an ISO/DMG disk image file sourced from a backup or trusted archive. Step 2: Run the Installation Wizard Microsoft officially ended support for Office 2011 on
If AutoUpdate fails due to old security protocols, you may need to manually download the 14.7.7 update or intermediate updates like Microsoft Download Center Prerequisites: Ensure you have at least Service Pack 1 (version 14.1.0) installed before applying later "point" updates. Critical Limitations to Consider Update Office for Mac automatically - Microsoft Support
If you use a lightweight, updated web browser capable of running on Lion (such as specialized legacy browsers like Chromium legacy backports), you can use Microsoft 365 for the Web or Google Docs entirely within your browser for free, bypassing OS restrictions. To help you get this running smoothly, let me know: No newer version (2016, 2019, 2021, 365) will install
The final version of LibreOffice to support OS X Lion. It is completely free, open-source, and opens modern Word and Excel files reliably.