Redact Excel Document Online or via .NET

Develop powerful .NET based Excel document redaction utility application. C# Code listed for search and replace text in Excel file.

Excel Redact via Java Excel Redact via C++ Excel Redact in Android Apps

Redact Excel Document Online

  1. Import Excel file by uploading it.
  2. Do it by clicking inside the drop area via drag and drop of annotation app.
  3. Depending on the size of Excel file and internet speed wait for few seconds.
  4. Type the text to search and redact
  5. Enter the replacing text to redact with
  6. Press the “REDACT” button
  7. Download the redaction file instantly.

Redact Excel File via .NET

  1. Add library reference to .NET project
  2. Load Excel file using Workbook class
  3. Get the relevant sheet using its index
  4. Use FindOptions class and set the options
  5. Use the Find method to find the relevant text
  6. Iterate through each cell and use PutValue to update the value
  7. Or use the Replace method to find and replace in whole workbook
  8. Save the Excel Spreadsheet

C# Code : Redact Excel Spreadsheet


Develop Excel Redaction Application via .NET

Need to develop a Excel redaction app or utility? With Aspose.Cells for .NET a child API of Aspose.Total for .NET , any .NET developer can integrate the above API code within its document redaction application. Powerful .NET library allows programming any spreadsheets redaction solution. Moreover it can support many popular formats including Excel format.

.NET Utility to Redact Excel File

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

System Requirements

Our product is fully cross-platform and supports all major .NET implementations following ‘.NET Standard 2.0’ specification:

  • Microsoft .NET Framework, starting from the earliest 2.0 version, and ending with the latest ‘.NET Framework 4.8’
  • .NET Core, starting from the earliest 2.0, and ending with the latest ‘.NET 6’
  • Mono >= 2.6.7

    As .NET code doesn’t rely on the underlying hardware or operating system, but only on a Virtual Machine, so you are free to develop any kind of software for Windows, macOS, Android, iOS and Linux. Just make sure you have installed the corresponding version of .NET Framework, .NET Core, Windows Azure, Mono or Xamarin.

    We recommend using Microsoft Visual Studio, Xamarin, and MonoDevelop IDE to create C#, F#, VB.NET applications.

    For more details please refer to Product Documentation .


  • Can I use above .NET code in my application?
    Yes, you are welcome to download this code and utilize it for the purpose of developing .NET-based document redaction application. This code can serve as a valuable resource to enhance the functionality and capabilities of your projects in the domain of backend document processing and manipulation.
  • Is this online document redaction app work only on Windows?
    You have the flexibility to initiate document redaction at any device, irrespective of the operating system it runs on, whether it be Windows, Linux, Mac OS, or Android. All that's required is a contemporary web browser and an active internet connection.
  • Is it safe to use the online app to manage Excel document redaction?
    Of course! The output files generated through our service will be securely and automatically removed from our servers within a 24-hour timeframe. As a result, the display links associated with these files will cease to be functional after this period.
  • What browser should to use App?
    You can use any modern web browser like Google Chrome, Firefox, Opera, or Safari for online Excel document redaction. However, if you're developing a desktop application, we recommend using the Aspose.Total document processing API for efficient management.

Explore File Redaction Options with .NET

Redact DOC Files (Microsoft Word Binary Format)
Redact DOCX Files (Office 2007+ Word Document)
Redact ODP Files (OpenDocument Presentation Format)
Redact ODS Files (OpenDocument Spreadsheet)
Redact ODT Files (OpenDocument Text File Format)
Redact PDF Files (Portable Document Format)
Redact PPT Files (PowerPoint Presentation)
Redact PPTX Files (Open XML presentation Format)
Redact XLS Files (Microsoft Excel Binary Format)
Redact XLSX Files (Open XML Workbook)