If you are unable to open Office 2016 applications and get this error message:
Something went wrong We couldn't start your program. Please try starting it again. If it won't start, try repairing Office from ‘Programs and Features‘ in the Control Panel.
Check Microsoft Office Click-to-Run Service
Description: Manages resource coordination, background streaming, and system integration of Microsoft Ofﬁce products and their related updates. This service is required to run during the use of any Microsoft Ofﬁce program, during initial streaming installation and all subsequent updates.
It should be set to Manual and should be able to start.
Go to Computer Management -> Services And Applications -> Services and look for Microsoft Office Click-to-Run Service
Verify that it is not Disabled. It should be set to Manual. It is started by Office 2016 applications.
If it is set to manual try to run it manually and verify that it starts. If there is a problem check Windows Log for errors.
If you have problem starting service please write it in comments section or contact me here. I will try to help you further.
If there is a problem with user, go to properties of this service, Log On tab and make sure that Log on as: is set to Local System account