Usually you’d be in the right to hate a toolbar that clutters up the screen estate of your desktop. But this time it’s a handshake between Microsoft and Apple’s macOS Sierra for the sake of productivity. So why not give the My Workspace Office 365 Tool for Mac a chance? Get a Jump on Your Productivity The My Workspace tool is a tool that sits in the System Tray on your Mac and drops down to reveal recent events that are part of the Office suite.