XLS XLSB XLSX XLSM ODS
Aspose.Cells  for .NET
XLSM

Recover XLSM file via C#

Build your own .NET application to repair xlsm files using .NET.

Repair XLSM File Using .NET

With Aspose.Cells for .NET library, you can easily repair XLSM file programmatically with a few lines of code. Aspose.Cells for .NET is capable of building cross-platform applications with the ability to generate, modify, convert, render and print all Excel files. .NET 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. Open NuGet package manager, search for Aspose.Cells and install. You may also use the following command from the Package Manager Console.

Package Manager Console Command


PM> Install-Package Aspose.Cells

System Requirements

Aspose.Cells for .NET is supported on all major operating systems. Just make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with .NET, .NET Core or Mono Platforms.
  • Development environment like Microsoft Visual Studio.
  • Our product is fully cross-platform and supports Windows, Linux, MacOS, Azure, AWS Lambda.

How to repair xlsm file using C#

  • 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.
Free App to repair XLSM file using .NET
Input file
Save as
   
                                   
    
	
  using Aspose.Cells; 
  
  //1, Define a class that inherits Aspose.Cells.IWarningCallback
  class DefaultWarningCallback : IWarningCallback
  {
    //Implement this method as needed
    public void Warning(WarningInfo warningInfo){ }
  }
	
  //2, Load the corrupted file by creating an instance of Workbook, using the inheritance class above
  DefaultWarningCallback w = new DefaultWarningCallback();
  LoadOptions options = new LoadOptions();
  options.WarningCallback = w;
  var workbook = new Workbook("corrupted.xlsx", options);
  
  //3, Save the workbook, the corrupted file will be repaired.
  workbook.Save("repaired.xlsx");
	                
                
            

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.

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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)