: Do not use Outlook 2011 to download or open unverified email attachments, as legacy macro exploits can target unpatched vulnerabilities in Word and Excel 2011.
The best and most stable version of Microsoft Office to run on Mac OS X 10.7.5 is , fully updated to its final patch level (Version 14.7.7). 1. Why Office 2011 is the Best Option for Lion 10.7.5
: Turn off Wi-Fi before entering product keys to prevent validation server errors.
If possible, upgrade to or later to run Office 2016/2019/365 with better security.
Avoid using the Outlook 2011 email client if possible, as it lacks modern encryption standards.
Office 2011 is the most modern and feature-complete productivity suite available for OS X Lion. It includes Word, Excel, PowerPoint, and Outlook (in the Home & Business edition).
To install and fully patch Microsoft Office on OS X 10.7.5, you must use a specific, multi-step sequence rather than standard automated update routes.
Outlook 2011 relies on a local database called the "Office Identity." On OS X Lion, large mailboxes can cause this database to corrupt, preventing Outlook from opening.
is also compatible with OS X Lion. It’s less feature-rich than 2011 but serves as a solid fallback if you already own a copy. Important Compatibility Notes OSX 10.7 with Old Version of Microsoft Office
Office 2011 was specifically designed to run on Intel-based Macs using OS X 10.7.
Confirm your Mac meets the basic requirements for Office 2011. It requires a Mac with an Intel processor (all Macs capable of running Lion have this), 1 GB of RAM or more, and 2.5 GB of available hard disk space.
