If you change this option, (!idspnExcel_NV) will erase the history of changes to this workbook. Users will no longer be able ...

If you change this option, (!idspnExcel_NV) will erase the history of changes to this workbook. Users will no longer be able to view information about changes or merge copies of the workbook. Do you want to proceed?• To change the option and erase the change history, click OK.• To leave the option setting unchanged, click Cancel.