Tag Archives: XLSX to CSV in C#

XLS and XLSX are the most used and well-known formats of MS Excel spreadsheets. You must be well aware of the enhanced capabilities and countless formatting options of Microsoft Office for these formats during this century. On the other hand, CSV files are the comma-separated-values, normally used to store tabular data without formatting. These files can be viewed in any text editor and also in MS Excel for tabular format. This article discusses the conversion of the Excel spreadsheets of XLS/XLSX format into CSV format and CSV to XLS/XLSX format programmatically using C#.

The following topics are covered in this article:

• .NET API for XLS/XLSX and CSV Conversion
• Excel to CSV Conversion
• CSV to Excel Conversion