But this will help you in performing calculations and for entering text, not for file insertion. After applying such users are unable to insert any object into the Excel document.īefore protecting the worksheet, you can easily unlock some of the specific cells. Actually, this will lock the worksheet cells or workbook documents for preserving up its content. Microsoft Excel protection features, present on the Excel ribbon’s review tab. Let’s discuss them in detail…! Reason 1# Locked Worksheet or Workbook Or the security provision applied on your PC is set properly. Or the setting you have done on your excel worksheet is somewhere get wrong. This problem may be generated because of having some issue in the document you are trying to add. Preview the repaired files and click Save File to save the files at desired location.Select the corrupt Excel file (XLS, XLSX) & click Repair to initiate the repair process.Download Excel File Repair Tool rated Excellent by Softpedia, Softonic & CNET.