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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.

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