If you don’t want the users to perform actions on workbook , one of the best option is to protect the structure of the workbook.
How to protect workbook structure in Excel 2016 ?
When you protect the structure of the workbook , you are restricting the users from inserting , renaming or deleting the worksheets.To protect the workbook structure , follow the below steps.
2. In the Protect Structure and Windows dialog , select the structure checkbox. If needed , provide the password and click OK button.
Once you do this , you will no longer be able to perform actions like insert , delete , rename or move sheets in the workbook.