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XLSX
Unlock XLSX Files via C++
Remove protection from Excel spreadsheets including XLSX file using C++ Library.
Aspose.Cells for C++
Overview
How to Remove Protection of XLSX File Using C++
In order to unlock XLSX file, we’ll use
API which is a feature-rich, powerful and easy to use document protection API for C++ platform. You can download its latest version directly, just open
package manager, search for Aspose.Cells.Cpp and install. You may also use the following command from the Package Manager Console.
Aspose.Cells
PM> Install-Package Aspose.Cells.Cpp
Unlock XLSX via C++
You need
referenced in your project to execute the following workflow.
- Instantiate Workbook class with path to protected XLSX file
- Get the default or any Worksheet to remove protection
- Remove Worksheet protection with Worksheet.Unprotect method
- Remove Workbook protection with Workbook.Unprotect method
- Save result in XLSX format
System Requirements
Aspose.Cells for C++ supports on all major platforms and Operating Systems. Please make sure that you have the following prerequisites.
- Microsoft Windows or a compatible OS with C++ Runtime Environment for Windows 32 bit, Windows 64 bit and Linux 64 bit.
- Add reference to the Aspose.Cells for C++ DLL in your project.
Command
Aspose::Cells::Startup();
// instantiate a Workbook object with protected XLSX file
Workbook workbook(u"protected.xlsx");
// access the default worksheet in the Excel file
Worksheet worksheet = workbook.GetWorksheets().Get(0);
// unprotect worksheet without a password
worksheet.Unprotect();
// unprotect workbook with password
workbook.Unprotect("password");
// save the result back in XLSX format
workbook.Save("unprotected.xlsx", SaveFormat::Auto);
Aspose::Cells::Cleanup();