We’ve identified and fixed several issues that caused high CPU on macOS devices. We have additional work planned to make improvements in this area.Robert Russell commented
Same issues here, running Office Fast Insider Ring and the latest Mojave public beta. I had poor battery life on High Sierra too but I never dug into the reason, so I'm guessing it is OneDrive. I know it is OneDrive on Mojave.Robert Russell supported this idea ·
1 voteRobert Russell commented
I've noticed the same issue on the latest beta.