![]() Encrypt and Decrypt can be performed by referring. You can unprotect or remove protection for a workbook as shown below. using ( ExcelEngine excelEngine = new ExcelEngine ()) Unprotect Workbook elements If these files reside on a file share, you have to mark that share/drive/etc as a trusted source in the trust center in the application. Opening items in protected view is a different problem, and the default behavior for Word, Excel, Etc. Encrypt and Decrypt can be performed by referring. Edit: Forgot to address the Open in protected view. The Following code snippets illustrate how to achieve the above options. This can be set with or without requiring a password to open the file. Read - Only Recommended â If the excel file is set as Read-only recommended, then Microsoft Excel displays a message recommending that you open the workbook as read-only when users open the excel file. Password to Modify - This password helps to allow give specific users permission to modify the workbook data and save changes to the file.Password To Open - This password helps to protect your workbook from unauthorized viewing or accessing.In the Trust Center dialog box, click the Protected View tab, and then click to clear the Enable Protected View for files located in potentially unsafe locations check box. In the Options dialog box, click Trust Center, and then click Trust Center Settings.![]() ![]() There are two different passwords to encrypt a document. In the application that you use, click the File tab, and then click Options. To keep others from making structural changes to your documents such as moving, deleting and adding sheets, you can protect the workbook in the following ways. ![]() You can protect an anonymous user from viewing, moving, editing or deleting important data from a worksheet or workbook by protecting a worksheet or workbook, with or without a password. Security in Excel (XlsIO) Library (Excel Protected View) ![]()
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