With “Excel Live”, you can share and collaborate with Excel workbook in a meeting. This is handy when you want to get work done with your colleagues in a meeting, it seamlessly turns the meeting window canvas to an Excel workbook collaboration without having to move between windows and screens. For e.g.: Budget sheet which needs input from all participants to collaborate, contribute, review and finalize.
While you are in a meeting, open Share tray and scroll down to Excel Live section
Select the Excel workbook from the Most recently used file that you want to share and collaborate with others in the meeting. If you are not able to find the Excel workbook, you can also use “Browse OneDrive” or “Browse my computer” to select the workbook.