Encrypt XLSX Files via C++
Password-protect Excel spreadsheets including XLSX format using .NET Library.
Aspose.Cells for C++
Overview
How to Secure XLSX File Using C++
In order to protect XLSX file, we’ll use
API which is a feature-rich, powerful and easy to use document encryption 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
Steps to Protect XLSX Files via C++
Document protection using Aspose.Cells APIs can be done with just few lines of code.
- Load XLSX file using Workbook class
- Use Protect(..) method with ProtectionType and Password
- Save the protected XLSX file by Save() method
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();
// load the ODS Excel file
Workbook book(u"unlocked.xlsx");
// access the first worksheet
Worksheet worksheet = book.GetWorksheets().Get(0);
// protect the worksheet with password
worksheet.Protect(ProtectionType::All, u"password", nullptr);
// protect the whole workbook with password
book.Protect(ProtectionType::All, u"password");
// save the modified file in default format
book.Save(u"protected.xlsx");
Aspose::Cells::Cleanup();
About Aspose.Cells for C++ API
Aspose.Cells API can be used to create, edit, convert and render Microsoft Excel formats to different formats. Moreover, it can be used for comprehensive charting, scalable reporting and reliable calculations within software applications. Aspose.Cells is a standalone API and it does not require any software like Microsoft or OpenOffice.Free App to Protect XLSX
XLSX What is XLSX File Format?
XLSX is well-known format for Microsoft Excel documents that was introduced by Microsoft with the release of Microsoft Office 2007. Based on structure organized according to the Open Packaging Conventions as outlined in Part 2 of the OOXML standard ECMA-376, the new format is a zip package that contains a number of XML files. The underlying structure and files can be examined by simply unzipping the .xlsx file.
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