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The Fast Excel Spreadsheet Writer makes it easier for developers to write 2007 / 2010 Excel spreadsheets containing large sets of raw data. It can write hundreds of thousands of records in seconds. It is developed in C# and uses the Packaging namespace and Xml writers.
ClosedXML makes it easier for developers to create Excel 2007/2010 files. It provides a nice object oriented way to manipulate the files (similar to VBA) without dealing with the hassles of XML Documents. It can be used by any .NET language like C# and Visual Basic (VB).
ExcelPackage provides server-side generation of Excel 2007 spreadsheets. It is a set of classes and wrappers around the .NET 3.0 System.IO.Packaging API and the new Office Open XML file format. It extracts away the complexity of dealing with the individual XML components maki...
This tool is a standalone tool that will allow users to extract all embedded Open XML Format objects from a document as standalone Open XML Format files that can be opened and edited. With the release of Office 2007 came the introduction of new default file formats, called Of...
This tool is designed to reduce the size and speed up Excel 2007/2010 workbooks. It will only work for the new XML File formats (XLSX and XLSM). It cleans the files by reducing the number of styles in use and the number of activated cells. See Microsoft KBs: KB213904 & KB244435.
XMLSpreadGear helps to generate Excel files using the collection of an object. Concept of transforming is based on the open excel specification. Using this utility one can export data from a collection directly to excel file. Any project based on .net technology can use this.