If you need to extract office 2016 or 2019 the freeware app below is very small and simple to use:
https://www.7-zip.org/download.html
Once installed find the iso / img file and right click > extract to your desired location.
After the successful extraction run the required setup.exe.

We hope you enjoy your software.....

1. Office 2016 Home and Student
Link: http://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/HomeStudentRetail.img
2. Office 2016 Home and Business
Link: http://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/HomeBusinessRetail.img
3. Office 2016 Professional 
Link: http://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/ProfessionalRetail.img

Professional Plus:
https://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/ProPlusRetail.img
4. Project 2016 Professional
Link: http://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/ProjectProRetail.img
5. Visio 2016 Professional
Link: http://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/VisioProRetail.img
6. Office 365 Home Premium
Link: http://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/O365HomePremRetail.img
7. Office 365 Business
Link: http://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/O365BusinessRetail.img
8. Office 365 Professional Plus
Link: http://officecdn.microsoft.com/db/492350F6-3A01-4F97-B9C0-C7C6DDF67D60/media/en-US/O365ProPlusRetail.img