The latest version of Saaspose.Cells enhances the security measures by protecting the workbooks from unauthorized access to modify the structure or content. It allows to encrypt the workbook and assures the protection for making changes to the layout of the worksheets in a workbook. You can encrypt a workbook and assign an encryption key to prevent the unauthorized access by eavesdroppers or hackers. The encrypted workbooks cannot be accesses without decryption key. Saaspose.Cells allows you to decrypt workbook for authorized access to make any changes in the document. A decryption key is required to recover the contents of the workbook. The content, layout and structure of the decrypted workbook can then be modified. This is a powerful features supported by Saaspose.Cells that protects the workbooks from eavesdroppers and hackers and the use of encryption and decryption keys assures only authorized access to sensitive information.