. While Microsoft released Office 2013 for Windows, they did not release a corresponding 2013 version for macOS. Instead, Mac users at that time primarily used Office for Mac 2011
Office 2010 for Windows released in 2010. Office 2011 for Mac released in 2010.
While there is of "Microsoft Office 2013" for Mac, this topic often refers to either Office for Mac 2011 (its contemporary release) or the use of Windows-based Office 2013 on a Mac via virtualization. 1. The Critical Distinction
