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Released version: 2.6.3 - Microsoft .NET Framework Supported: 1.1 or greater.  
 

 Spire.XLS for .NET 1.0

  Spire.XLS , compatible with  Visual Studio 2003
  (.NET Framework 1.1 . Release Date 16-Apr-2008 . file size 4.91Mb)

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 Spire.XLS for .NET 2.0 or greater

  Spire.XLS , compatible with  Visual Studio 2005 and Visual Studio 2008.
  (.NET Framework 2.0 or greater. Release Date 16-Apr-2008 . file size 3.65Mb)

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