Since Microsoft no longer sells these versions, you have to be resourceful:
Status: Microsoft ended support in 2017. This means no new security updates, but the software itself functions perfectly offline. microsoft office for mac os x lion 1075 2021
Finding software for older operating systems can be a bit like digital archaeology. If you are running Mac OS X Lion 10.7.5 in 2021 (or later), your options are limited because Apple and Microsoft have long since moved on to newer architectures. However, it is still entirely possible to get a functional version of Microsoft Office running on your vintage hardware. Since Microsoft no longer sells these versions, you
Microsoft Office for Mac 2011 (Recommended)This is the most stable and feature-complete version for Lion users. It includes Word, Excel, PowerPoint, and Outlook. Compatibility: Fully supported on 10.7.5. If you are running Mac OS X Lion 10
If you don't want to hunt for old serial keys, you can use the web-based version of Microsoft Office.
Running a 2021 workflow on a 2011 operating system comes with risks:
For the best experience on Mac OS X Lion 10.7.5 in 2021, seek out a copy of Microsoft Office for Mac 2011 Home & Business. It provides the best balance of modern file compatibility and "period-accurate" performance for your Mac.