C# API to Convert RTF to XLTX or Online App

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

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By using Aspose.Total for .NET you can include RTF to XLTX 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 XLTX.

.NET API to Convert RTF to XLTX

  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 XLTX format using Save method and set XLTX 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 XLTX

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 XLTX File via C#

While converting RTF to XLTX, Aspose.Cells for .NET enables you to add custom properties in your XLTX 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 XLTX 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 XLTX conversion is completed, you can download your converted file. So You will get output XLTX 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 XLTX 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 XLTX using free Aspose.Total converter?
    Of course! The download link of XLTX 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 XLS (Microsoft Excel Binary Format)
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)

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 XLTX File Format?

An XLTX file is an Excel Template file used to create new workbooks with predefined formatting and settings. Excel templates offer pre-designed spreadsheets that can include charts, formulas, and other features not found in a standard Excel workbook. When you open an XLTX file, Excel generates a new workbook based on the template.

Templates serve as a convenient way to replicate the formatting and settings of an existing workbook. For instance, if you have a workbook with a customized chart, you can save it as a template and use it to create new workbooks with the same customized chart. Templates can be created from scratch or downloaded from the internet. Microsoft Office provides numerous free templates for various purposes.

By using templates, you can save time and effort by eliminating the need to manually recreate the same formatting and settings for each new workbook. Instead, you can start with a template that already includes the desired features. Templates offer consistency and efficiency, ensuring that new workbooks maintain a consistent look and functionality.

When you save a workbook as a template, it is stored as an XLTX file extension. This file format signifies that the file is an Excel Template, ready to be used for creating new workbooks with the same predefined formatting and settings.