Technically, there is no official standalone product named "". However, the year 2015 was a major milestone for the suite, as it marked the global release of Office 2016 and major updates to Office 2013 (often referred to internally by Microsoft as Office 15 ).

If you are looking for an activation key, you are likely either using or the earliest version of Office 2016 , which was released in September 2015. Key Features of Office 2013 vs. Office 2016

: Introduced the ability to open and edit PDF files directly in Word.