- Convert Office 2019/2016/365 ClickToRun installation licensing from Retail to Volume  
which then can be activated easily using various KMS solutions

- This is not an activator, just a licensing converter

- All current Office licenses will be cleaned up  
then, proper Volume licenses will be installed based on detected Product IDs

- Office Mondo suite cover all products, if detected, only its licenses will be installed

- Office 365 products will be converted with Mondo licenses by default  
also, corresponding Office 365 Retail Grace Key will be installed

- Office 2016 products will be converted with corresponding Office 2019 licenses

- Office Professional suite will be converted with Office 2019 ProPlus licenses

- Office HomeBusiness/HomeStudent suites will be converted with Office 2019 Standard licenses

- If Office 2019 RTM licenses are not detected, Office 2016 licenses will be used instead

- If main products SKUs are detected, separate apps licenses will not be installed to avoid duplication

SKUs:
O365ProPlus, O365Business, O365SmallBusPrem, O365HomePrem, O365EduCloud  
ProPlus, Professional, Standard, HomeBusiness, HomeStudent, Visio, Project

Apps:
Access, Excel, Onenote, Outlook, PowerPoint, Publisher, SkypeForBusiness, Word

O365ProPlus, O365Business, O365SmallBusPrem, ProPlus cover all apps  
Professional cover all apps except SkypeForBusiness  
Standard cover all apps except Access, SkypeForBusiness

- Office 2019 products are officially blocked on Windows 7 and 8.1  
to workaround that, follow these steps:

if you want Office Professional Plus 2019:  
1) install O365ProPlusRetail SKU  
2) edit Convert-C2R.cmd and set _O365asO2019=1  
3) run Convert-C2R.cmd

if you want Project 2019 and/or Visio 2019:  
1) install desired SKU: ProjectProRetail, ProjectStdRetail, VisioProRetail, VisioStdRetail  
2) run Convert-C2R.cmd
