If you do not have a disc, download an ISO disk image from a trusted digital preservation site like the Internet Archive.
If your browser can still access modern websites, using cloud-based tools is the most secure option:
For a machine running OS X 10.7.5, here is the compatibility breakdown: Last Supported Version: Microsoft Office 2011
Since Microsoft no longer sells Office 2011 directly, you have to look toward third-party sources or existing subscriptions: How can I get Office on my old Mac OS X Version 10.7.5
Office 2008 is an older alternative that runs natively on both Intel and PowerPC Macs, making it highly compatible with Lion. Fully compatible with OS X Lion. microsoft office for mac os x lion 1075 2021
You can use Word, Excel, and PowerPoint in a browser, though Lion's older versions of Safari or Chrome may struggle with modern web standards. Using a lightweight, legacy-supported browser like Waterfox or Pale Moon may improve the experience. Modern Office Requirements
: These versions (including Office 2019 and 2021) require at least macOS 10.10 (Yosemite) or much higher. For example, Office 2021 typically requires one of the three most recent macOS versions. How to Get Office 2011 in 2021
Google's suite of productivity apps (Google Docs, Sheets, Slides) is entirely web-based and free for personal use.
: These require much newer operating systems (typically the three most recent macOS versions). Microsoft Learn Modern Alternatives for Legacy Systems If you do not have a disc, download
Running a 2011 software suite in 2021 presented several hurdles:
Requires a constant internet connection and a browser that still supports modern web standards (older versions of Safari on Lion will likely fail to load the site). Third-Party Alternatives
Do not open the applications immediately after installation.
Insert the installation disc or double-click the downloaded .dmg file to mount it. You can use Word, Excel, and PowerPoint in
In 2015, Microsoft released Office 2016 for Mac, which marked a significant shift towards a more cloud-centric and subscription-based model. This was followed by Office 2019 for Mac and Microsoft 365, which further integrated cloud services, artificial intelligence, and collaboration features.
: Support for Office 2011 ended in October 2017. It no longer receives security updates or bug fixes. Software "Bitness" : Office 2011 is a 32-bit application
Older builds of OpenOffice remain lightweight and functional on legacy Mac hardware. Upgrading Your Hardware or OS