The "2.2.3" denotes a specific build from the development cycle of the tool, which many users in online forums (such as MyDigitalLife or Reddit) have flagged as the most reliable for the 32-bit and 64-bit versions of Office 2010 Professional Plus, Standard, and Project/Visio editions.
Version 2.2.3 was particularly notable because it solved specific bugs that plagued earlier versions, such as issues activating Visio 2010. It operated through several specialized tools: office 2010 toolkit 223
: The tool could convert Retail versions of Office 2010 into Volume License (VL) versions to make them compatible with KMS activation. The "2