Convert XLSX to DOCX via C# or Online App

Export Excel® XLSX to DOCX on .NET Framework, .NET Core, Mono or Xamarin Platforms

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Why Convert XLSX to DOCX format?

Converting XLSX to DOCX format via code or an app can be essential for tasks like transforming spreadsheet data into professionally formatted documents. This conversion enables you to generate reports, invoices, or other documents from Excel data while preserving formatting and layout, making it particularly useful for automating document generation processes in businesses and organizations.

How Aspose.Total can help in XLSX to DOCX Conversion?

Aspose.Total for .NET offers a comprehensive solution for XLSX to DOCX conversion, providing developers with Aspose.Cells for .NET to handle Excel data and Aspose.Words for .NET for Word document manipulation. These APIs seamlessly integrate, enabling the extraction of structured data from Excel spreadsheets and its insertion into Word documents, ensuring that the final DOCX file retains formatting and layout. With cross-platform compatibility and advanced features for styling and automation, Aspose.Total for .NET simplifies the conversion process, making it an efficient choice for document generation within .NET applications.

How to Convert XLSX to DOCX?

  1. Open XLSX file using Workbook class
  2. Convert XLSX to PDF and set SaveFormat to Auto
  3. Load the converted PDF file using Document class
  4. Save the document to DOCX format using Save method and set DocX as SaveFormat

Requirements for XLSX to DOCX Conversion

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

.NET C# Code for XLSX to DOCX Conversion

var book = new Aspose.Cells.Workbook("input.xlsx");
// save XLSX as PDF
book.Save("pdfOutput.pdf", Aspose.Cells.SaveFormat.Auto); 
// load the PDF file using Document class
var document = new Aspose.Pdf.Document("pdfOutput.pdf");
// save document in DOCX format
document.Save("output.docx", SaveFormat.DocX); 

Free Online Converter for XLSX to DOCX

What is XLSX File Format?

The XLSX file format is a widely used file format for storing spreadsheet data in Microsoft Excel. It is the default and standard format for Excel workbooks in recent versions of the software.XLSX files are designed to store data in a structured and efficient manner. They utilize the Open XML format, which is an open standard for storing and manipulating office documents. This format offers several advantages, including smaller file sizes and improved data recovery capabilities.

With XLSX files, users can create, edit, and analyze data in Excel with a wide range of features and functionalities. The format supports various types of data, such as numbers, text, formulas, charts, and formatting options. It also allows for the creation of multiple worksheets within a single workbook, providing organization and flexibility for complex data sets.

One of the significant benefits of the XLSX format is its compatibility with different platforms and software applications. XLSX files can be opened and edited not only in Microsoft Excel but also in other spreadsheet programs like Google Sheets, LibreOffice Calc, and Apple Numbers. This makes it easier to collaborate and share data across different platforms and software environments.

Furthermore, XLSX files offer robust data protection and security features. Users can apply passwords to restrict access to the workbook or specific worksheets, ensuring the confidentiality and integrity of sensitive information.

What is DOCX File Format?

DOCX is a file format developed by Microsoft specifically for their word processing software, Microsoft Word. Its purpose is to provide a versatile and reliable format for creating and sharing documents across various platforms and devices. Widely adopted in business, academia, and personal communication, DOCX files offer numerous advantages.

One key advantage of the DOCX format is its seamless integration with other Microsoft Office applications like Excel and PowerPoint. This integration enables users to effortlessly incorporate tables, charts, and multimedia content into their documents, enhancing their visual appeal and overall effectiveness. Furthermore, DOCX files can be conveniently converted to other widely used formats such as PDF, HTML, and RTF, ensuring compatibility and portability across different systems.

The flexibility of the DOCX format extends to its support for advanced formatting options. Users can employ styles, themes, and templates to create professional-looking documents with consistent branding and formatting. This eliminates the need for intricate technical skills, empowering users to produce polished and visually appealing content effortlessly.

Another significant advantage of DOCX is its extensive compatibility with a wide range of software and devices, including popular operating systems such as Windows, macOS, and Linux. This compatibility ensures that documents can be seamlessly accessed, edited, and shared across diverse environments, fostering efficient collaboration and communication.


  • How can I convert XLSX to DOCX Online?
    Online App for XLSX conversion is integrated above. To start the conversion process, you can either drag and drop your XLSX file or click inside the designated area to import the document. Next, click on the "Convert" button to initiate the XLSX to DOCX conversion. Once the process is complete, you can easily download your converted file with just one click, obtaining your desired output in the DOCX format.
  • How long does it take to convert XLSX?
    The speed of this online converter is fast, but it primarily relies on the size of the XLSX file. If you have a small XLSX file, it can be converted to DOCX in just a few seconds. Additionally, if you've integrated the conversion code into your .NET application, the conversion process speed depends on how well you've optimized your application.
  • Is it safe to convert XLSX to DOCX using free Aspose.Total converter?
    Of course! After the XLSX to DOCX conversion process is completed, the download link for the DOCX files is generated immediately. We prioritize the security of your files, that's why all uploaded files are deleted after 24 hours and the download links stop working after that period. You can be confident that your files are safe during the conversion process, including XLSX files. Above free app is for testing purposes, allowing you to check the result before integrating the code.
  • What browser should I use to convert XLSX?
    You have the flexibility to use any up-to-date web browser for online XLSX to DOCX conversion, such as Google Chrome, Firefox, Opera, Safari. However, if you are building a desktop application, you can seamlessly integrate Aspose.Total XLSX Conversion API.

Explore XLSX Conversion Options with .NET

Convert XLSX to DOC (Microsoft Word Binary Format)
Convert XLSX to POWERPOINT (Presentation Files)
Convert XLSX to PPTX (Open XML presentation Format)
Convert XLSX to WORD (WordProcessing File Formats)