Microsoft Excel’s XLSX files organize data in rows and columns, allowing you to store anything from a few records to massive datasets. Converting that spreadsheet data into a Word document is a common requirement for reporting, documentation, or publishing. In this guide you will learn how to convert Excel XLSX (or XLS) to Word DOCX using C#, and discover how to customize the conversion to meet specific formatting needs. Let’s dive in.
- XLSX to DOCX C# Converter API
- Convert Excel XLSX to Word DOCX using C#
- Convert XLSX to DOCX with Additional Options in C#
- Try Aspose.Cells for .NET for Free
XLSX to DOCX C# Converter API - Free Download
Aspose.Cells for .NET is a leading spreadsheet automation library that supports XLS, XLSX, CSV, and many other formats. In addition to reading and writing spreadsheets, the API includes a powerful converter that can transform an Excel workbook directly into a Word DOCX file. You can obtain the library by downloading the DLL or adding it to your project via NuGet.
PM> Install-Package Aspose.Cells
The converter handles complex worksheets, preserving tables, formulas, and formatting while generating a clean Word document ready for further editing.
Excel XLSX to Word DOCX C# Conversion
Converting an Excel workbook to DOCX with Aspose.Cells is straightforward. Follow these two main steps:
- Load the workbook – Use the
Workbookclass to open the XLSX file. - Save as DOCX – Call
Workbook.Savewith the desired file name andSaveFormat.Docx.
Below is a complete C# example that demonstrates the process:
This code loads Sample.xlsx and creates Sample.docx in the same folder, preserving the original layout and data.
Customized XLSX to DOCX C# Conversion
For scenarios that require fine‑grained control over the conversion, Aspose.Cells provides the DocxSaveOptions class. With this class you can adjust caching, directory handling, conditional formatting, chart data, and more. The table below lists the most useful options.
| Option | Description |
|---|---|
| CachedFileFolder | The cache folder to store large temporary data. |
| ClearData | Clears the workbook after saving, reducing memory usage. |
| CreateDirectory | Automatically creates the target directory if it does not exist. |
| MergeAreas | Merges conditional‑formatting and validation areas before saving. |
| RefreshChartCache | Refreshes chart cache data to ensure charts render correctly. |
| SaveFormat | Specifies the output format (DOCX in this case). |
| SortNames | Sorts defined names before saving, improving consistency. |
| UpdateSmartArt | Updates SmartArt objects during conversion. |
| ValidateMergedAreas | Validates merged cells to avoid layout issues. |
| WarningCallback | Provides a callback to capture conversion warnings. |
The following snippet shows how to apply several of these options while converting an XLSX file to DOCX:
By tweaking these settings you can tailor the Word output to match your exact reporting standards.
Try Aspose.Cells for .NET for Free
You can obtain a temporary license that removes all evaluation restrictions, allowing you to test the full functionality of Aspose.Cells for .NET at no cost.
Conclusion
This article demonstrated how to convert Excel XLSX (or XLS) workbooks to Word DOCX using C# and the Aspose.Cells library. You learned the basic conversion steps, explored advanced DocxSaveOptions for customized output, and discovered where to get a free temporary license for testing. For deeper integration details, explore the full .NET Excel API documentation.