Aspose.Cells  for C++

Encrypt ODS Files via C++

Password-protect Excel spreadsheets including ODS format using .NET Library.

How to Secure ODS File Using C++

In order to protect ODS file, we’ll use

Aspose.Cells for C++

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.


PM> Install-Package Aspose.Cells.Cpp

Steps to Protect ODS Files via C++

Document protection using Aspose.Cells APIs can be done with just few lines of code.

  1. Load ODS file using Workbook class
  2. Use Protect(..) method with ProtectionType and Password
  3. Save the protected ODS 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.



// load the ODS Excel file 
Workbook book(u"unlocked.ods");

// 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

  • 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 ODS

    ODS What is ODS File Format?

    Files with ODS extension stand for OpenDocument Spreadsheet Document format that are editable by user. Data is stored inside ODF file into rows and columns. It is XML-based format and is one of the several subtypes in the Open Document Formats (ODF) family. The format is specified as part of the ODF 1.2 specifications published and maintained by OASIS. A number of applications on Windows as well as other operating systems can open ODS files for editing and manipulation including Microsoft Excel, NeoOffice and LibreOffice. ODS files can also be converted into other spreadsheet formats as well like XLS, XLSX and others by different applications.

    Read More

    Other Supported Protection Documents

    Using C++, one can protect other files including.

    XLS (Excel Binary Format)
    XLSB (Binary Excel Workbook File)
    XLSM (Spreadsheet File)
    XLSX (OOXML Excel File)