C# API to Convert RTF to XLS or Online App

Export RTF to XLS via C# without using Microsoft® Word or Microsoft® Excel

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By using Aspose.Total for .NET you can include RTF to XLS conversion feature within any .NET, C#, ASP.NET and VB.NET application in two simple steps. Firstly, by using Aspose.Words for .NET , you can export RTF to HTML. After that, by using Aspose.Cells for .NET Spreadsheet Programming API, you can convert HTML to XLS.

.NET API to Convert RTF to XLS

  1. Open RTF file using Document class
  2. Convert RTF to HTML by using Save method
  3. Load HTML document by using Workbook class
  4. Save the document to XLS format using Save method and set XLS as SaveFormat

Get Started with .NET File Automation APIs

Install from command line as nuget install Aspose.Total or via Package Manager Console of Visual Studio with Install-Package Aspose.Total.

Alternatively, get the offline MSI installer or DLLs in a ZIP file from downloads .

Free Online Converter for RTF to XLS

Load RTF Document from Stream via C#

Aspose.Words for .NET also allows you to load RTF document via stream. To open a document from a stream, simply pass a stream object that contains the document into the Document constructor. The following code example shows how to open a document from a stream:

Add Custom Properties in XLS File via C#

While converting RTF to XLS, Aspose.Cells for .NET enables you to add custom properties in your XLS documents. In order to add a custom property, you can use Add method for the CustomDocumentPropertyCollection class. The Add method adds the property to the Excel file and returns a reference for the new document property as an Aspose.Cells.Properties.DocumentProperty object.

FAQ

  • How can I convert RTF to XLS Online?
    Online App for RTF conversion is integrated above. Firstly, you need to add RTF file for conversion by drag & drop or click inside the white area to import the document. Then click the Convert button. When RTF to XLS conversion is completed, you can download your converted file. So You will get output XLS files with just one click.
  • How long does it take to convert RTF?
    This online converter works fast but mainly depends on the size of RTF file. You can render small size RTF file to XLS in a few seconds. Moreover, If you have integrated the conversion code within .NET application, It depends on how you have optimized your application for conversion process.
  • Is it safe to convert RTF to XLS using free Aspose.Total converter?
    Of course! The download link of XLS files will be available instantly after conversion. We delete uploaded files after 24 hours and the download links will stop working after this time period. No one has access to your files. File conversion (including RTF) is absolutely safe. Mainly free app is integrated for the purpose of testing so that one can check the result before integrating the code.
  • What browser should I use to convert RTF?
    You can use any modern browser for this online conversion, for example, Google Chrome, Firefox, Opera, Safari. But in case you are developing a Desktop application. Aspose.Total RTF Conversion API will work smooth.

Explore RTF Conversion Options with .NET

Convert RTF to CSV (Comma Seperated Values)
Convert RTF to DIF (Data Interchange Format)
Convert RTF to EXCEL (Spreadsheet File Formats)
Convert RTF to FODS (OpenDocument Flat XML Spreadsheet)
Convert RTF to ODS (OpenDocument Spreadsheet)
Convert RTF to SXC (StarOffice Calc Spreadsheet)
Convert RTF to TSV (Tab-separated Values)
Convert RTF to XLAM (Excel Macro-Enabled Add-In)
Convert RTF to XLSB (Excel Binary Workbook)
Convert RTF to XLSM (Macro-enabled Spreadsheet)
Convert RTF to XLSX (Open XML Workbook)
Convert RTF to XLT (Excel 97 - 2003 Template)
Convert RTF to XLTM (Excel Macro-Enabled Template)
Convert RTF to XLTX (Excel Template)

What is RTF File Format?

The RTF (Rich Text Format) file format is a versatile and widely supported file format for storing text documents with formatting. It was developed by Microsoft in the late 1980s as a cross-platform format that could be easily exchanged between different word processing applications.

RTF files are typically saved with the .rtf file extension and can be opened and edited by various text editors and word processing software, including Microsoft Word, Google Docs, and LibreOffice. The format allows for the inclusion of various formatting elements, such as font styles, sizes, colors, paragraphs, tables, and images.

One of the key advantages of RTF is its platform independence, which means that an RTF file created on one operating system can be opened and rendered correctly on another without losing formatting. This makes it a preferred choice for document exchange and collaboration.

RTF files use a plain-text formatting syntax, which means that the files are human-readable and can be modified with a text editor if needed. However, RTF files can be quite large in size compared to other formats like plain text or Markdown, as they store formatting information explicitly.

While RTF is primarily used for text documents, it can also support the embedding of other types of files, such as images and objects, within the document. This allows for the creation of more complex and visually appealing documents.

What is XLS File Format?

The Excel XLS file format is a widely used and well-known file format for storing spreadsheet data. It is associated with Microsoft Excel, which is one of the most popular spreadsheet software applications. XLS stands for “Excel Spreadsheet” and has been a standard file format for Excel since its early versions.

The XLS file format is binary-based, meaning that it stores data in binary form rather than using XML or text-based formatting. This makes it more efficient for storing and processing large amounts of data. XLS files can contain multiple worksheets, each consisting of cells organized in rows and columns. These cells can hold various types of data, including text, numbers, dates, formulas, and formatting.

Excel provides a wide range of features and functionalities within the XLS file format. Users can perform complex calculations using formulas, apply formatting options to enhance the visual appearance of data, create charts and graphs, and utilize various data analysis tools. Additionally, Excel supports macros, which are scripts that automate repetitive tasks or perform custom operations within the spreadsheet.

Over the years, Microsoft has introduced newer file formats like XLSX, which is based on XML and offers enhanced features and compatibility. However, the XLS format continues to be supported by Excel and can be opened and edited by newer versions of the software.

The XLS file format has become an industry standard, widely used in businesses, educational institutions, and personal applications for data analysis, reporting, financial modeling, and more. Its widespread adoption and compatibility make it a reliable choice for storing and sharing spreadsheet data.