Reason 1: Accessing Permission to Share
When attempting to share to any Office 2016 applications, the following dialog appears:
Solution
This is currently a limitation of the Microsoft Office API that Snagit utilizes to send information to Office applications. When sharing to Office applications from Snagit, permission will need to be granted for each image that is shared.
Another option for sharing captures to Office applications is to copy and paste the capture, or drag and drop the capture from Snagit to the Office application.