Share workbook as read-only
When you want others to view your Excel Online workbook but not make any changes to it, you can share it as a read-only workbook. Here’s how:
In the To box, type email addresses of people you want to share with. Press ENTER between multiple addresses.
To set the workbook as view-only, click the Recipients can editlink.
Click the arrow in Recipients can edit box, choose Recipients can only view,and click Share.
Excel Online emails a link to people you want to share the workbook with.
Here’s more on sharing your workbook.