Convert XLS to XLSX C# logo

Convert XLS to XLSX C#

When you want to add Excel-like tools to your next C# .NET project build, but do not want the expense or complexity of solutions like Microsoft Excel and Excel Interlop, rely on the expertise from IronSoftware's new tool Convert XLS to XLSX C#. This easy-to-use enhancement is 100% free while you are still in the development mode of your project's timeline. You only pay for a license when you are ready for deployment.

Full Specifications

What's new in version 2022.9.9454

Added IronXL.SortOrder enum to specify sort direction
New Range.SortByColumn and Range.SortByColumn methods to sort a range by a specified column, re-arranging rows being sorted according to the new order
Dependency on IronDrawing nuget package replaced with IronSoftware.System.Drawing
Bug fixes


Release November 4, 2022
Date Added November 4, 2022
Version 2022.9.9454

Operating Systems

Operating Systems Windows 10, Windows 8, Windows Vista, Windows 11, Windows, Windows XP
Additional Requirements None


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