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

Repair EXCEL file in C#

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

Repair EXCEL File Using C#

How do I repair excel file? With Aspose.Cells for .NET library, you can easily repair EXCEL 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

How to Repair excel file in C#

Need to repair excel file programmatically? .NET developers can easily load & repair excel file in just a few lines of code.

  • Define a class that inherits Aspose.Cells.IWarningCallback.
  • Load EXCEL file by creating an instance of Workbook, using the inheritance class above, refer to the code above.
  • Save the workbook, the corrupted excel file will be repaired.
Sample Code to repair EXCEL file
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");
	                
                
            

.NET library to repair EXCEL file

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

  1. Install a NuGet Package . See Documentation
  2. Install the library using Package Manager Console within Visual Studio IDE

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.

EXCEL What is EXCEL 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.

Read More

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)