Repair XLSM file in C++

Build your own C++ application to repair xlsm files using C++.

Repair XLSM File Using C++

How do I repair xlsm file? With Aspose.Cells for C++ library, you can easily repair XLSM file programmatically with a few lines of code. Aspose.Cells for C++ is capable of building cross-platform applications with the ability to generate, modify, convert, render and print all Excel files. C++ Excel API not only convert between spreadsheet formats, it can also render Excel files as images, PDF, HTML, ODS, CSV, SVG, JSON, WORD, PPT and more, thus making it a perfect choice to exchange documents in industry-standard formats. You can download its latest version directly, just open NuGet package manager, search for Aspose.Cells.Cpp and install. You may also use the following command from the Package Manager Console.

Command
PM> Install-Package Aspose.Cells.Cpp

How to Repair xlsm file in C++

Need to repair xlsm file programmatically? C++ developers can easily load & repair xlsm file in just a few lines of code.

Define a class that inherits Aspose.Cells.IWarningCallback.
Load XLSM file by creating an instance of Workbook, using the inheritance class above, refer to the code above.
Save the workbook, the corrupted xlsm file will be repaired.

Sample Code to repair XLSM file

Input file

Repair

Save as

   
                                   

	  
  Aspose::Cells::Startup();
  
  //1, Define a class that inherits Aspose.Cells.IWarningCallback
  class DefaultWarningCallback : public IWarningCallback
  {
  	//Implement this method as needed
  	public:
  	void Warning(WarningInfo& warningInfo)
  	{
  	    //todo
  	}
  };
  
  //2, Load the corrupted file by creating an instance of Workbook, using the inheritance class above
  DefaultWarningCallback w;
  LoadOptions options;
  options.SetWarningCallback(&w);
  Workbook workbook(u"Input.xlsx", options);
  
  //3, Save the workbook, the corrupted file will be repaired.
  workbook.Save(u"Output.xlsx");
  
  Aspose::Cells::Cleanup();

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C++ library to repair XLSM file

There are three options to install “Aspose.Cells for C++” onto your system. Please choose one that resembles your needs and follow the step-by-step instructions:

Install a NuGet Package . See Documentation
Install the library using Include and lib Folders. See Documentation
Install Aspose.Cells for C++ in Linux. See Documentation

System Requirements

Aspose.Cells for C++ is supported on all major operating systems. Just 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.

XLSM What is XLSM File Format?

Files with XLSM extension is a type of Spreadsheet files that support Macros. From application point of view, a Macro is set of instructions that are used for automating processes. A macro is used to record the steps that are performed repeatedly and facilitates performing the actions by running the macro again. Macros are programmed with Microsoft’s Visual Basic for Applications (VBA) from within the Excel Workbook using the Visual Basic Editor and can be run/debug directly from there.

Repair Other Supported Excel Formats

Using C++, one can easily repair other Excel format files.

Repair ODS (OpenDocument Spreadsheet File)

Repair XLS (Excel Binary Format)

Repair XLSB (Binary Excel Workbook File)

Repair XLSM (Spreadsheet File)

Repair XLSX (OOXML Excel File)