When managing large datasets, converting Excel to Text file is an effective way to simplify storage, improve compatibility, and make data processing seamless. Text files are lightweight, easy to parse, and widely supported in automation pipelines. Using Aspose.Cells Cloud SDK for .NET, you can easily convert Excel to text files in just a few lines of code.
API for Excel to TXT Conversion
The Aspose.Cells Cloud for .NET provides an easy way to convert Excel to TXT while preserving your data’s integrity. Whether you need to convert XLS to TXT or convert XLSX to TXT, this REST API supports multiple formats and scales well for large datasets.
Key Benefits:
- Convert Excel into text files with minimal coding.
- Supports XLS, XLSX, XLSM, and other formats.
- Handles large workbooks efficiently.
- Ideal for automation and data export tasks.
Install the SDK via NuGet:
Install-Package Aspose.Cells-Cloud
Make sure to configure your Client ID
and Client Secret
from the Aspose Cloud Dashboard.
Convert Excel to TXT using C#
The API offers the following methods to perform the Excel to TXT conversion.
- GetWorkbook - Load Excel from Cloud storage & save output to the cloud storage.
- PutConvertWorkbook - Converts Excel file to other formats from request content.
- PostWorkbookSaveAs - Saves Excel file as other formats and save output to cloud storage.
Given below are the details on how to perform XLS to TXT conversion using C# .NET
- Initialize CellsApi with authentication details.
- Upload the input Excel file (XLS/XLSX) to cloud storage.
- Call
PostWorkbookSaveAs
to convert Excel into TXT.
XLS/XLSX to TXT via cURL
Prefer command-line automation? Use the cURL command to convert Excel to TXT:
Step 1: Generate your JWT_ACCESS token:
curl -v "https://api.aspose.cloud/connect/token" \
-X POST \
-d "grant_type=client_credentials&client_id=CLIENT_ID&client_secret=CLIENT_SECRET" \
-H "Content-Type: application/x-www-form-urlencoded" \
-H "Accept: application/json"
Step 2: Execute PostWorkbookSaveAs method to convert an Excel to Text file:
curl -v -X POST "https://api.aspose.cloud/v3.0/cells/myDocument(2).xlsx/SaveAs?newfilename=converted.txt&isAutoFitRows=false&isAutoFitColumns=false&checkExcelRestriction=true" \
-H "accept: application/json" \
-H "authorization: Bearer <JWT_Token>" \
-H "Content-Type: application/json" \
-d "{ \"SaveFormat\": \"TXT\"}"
Free Excel to TXT Converter
If you’re not ready to code, try the free to instantly convert Excel into text files online. Use our free online Excel to TXT converter App.

Free XLS to TXT conversion App.
Useful Links
Conclusion
By using the REST API, you can easily convert Excel to TXT files for lightweight storage and efficient processing. The API allows you to convert XLS to TXT, convert XLSX to TXT, and fully automate workflows where you need to convert Excel into text files for integration with other systems.
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