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FastExcel C#

Reduce the processing time of reading, writing or manipulating Excel files in C#
FastExcel C# screenshot
FastExcel C# Development Tutorial Guide
Integrating FastExcel C# into a C# application is a straightforward process. The library provides a rich set of APIs and utilities that enable developers to perform a wide range of Excel-related tasks. These tasks include reading and writing data to Excel worksheets, applying formatting and styling, performing calculations, and more. One of the key advantages of FastExcel C# is its ability to handle large Excel files efficiently. The library is optimized for memory management and data processing, enabling fast and responsive performance even with Excel files containing a substantial amount of data. This is particularly beneficial for applications dealing with complex Excel operations or handling extensive datasets. Additionally, FastExcel C# offers features to enhance data processing speed. The library leverages multi-threading techniques and parallel processing to distribute the workload across multiple threads or cores, maximizing computational power and accelerating Excel operations. This approach significantly reduces processing time, especially for tasks involving data manipulation or complex calculations. The complete development guide is available at
Technical details
FastExcel C# 2023.8.19 for Windows
.NET 5, .Net Framework 4.6.2, .Net Core 2.0, or .NET Standard, running on Windows, Mac, Linux
OS Support:
Win2000, WinXP, Win7 x32, Win7 x64, Windows 8, Windows 10, WinServer, WinOther, WinVista, WinVista x64
Pashto, Gaelic, Assamese, Swahili, Corsican, Macedonian, Slovenian, Thai, Singhalese, Croatian, Russian, Kurdish, Cambodian, ChineseSimplified, Mongolian, Welsh, Malay, Norwegian, Nepali, Hebrew, Faeroese, Burmese, Quechua, Breton, Uzbek, Catalan, Czech, Lithuanian, Slovak, Georgian, Occitan, Tatar, Chinese, Ukrainian, Maori, Swedish, Esperanto, Spanish, Dutch, Sudanese, French, Maltese, Afrikaans, Basque, Tajik, Indonesian, Latin, Sanskrit, Azerbaijani, Finnish, Armenian, Romanian, Arabic, Marathi, Danish, Bulgarian, Malayalam, Tamil, Tonga, Kirghiz, Gujarati, Korean, Japanese, Tigrinya, Persian, Telugu, Bengali, Serbian, German, English, Amharic, Turkish, Kannada, Punjabi, Irish, Kazakh, Portuguese, Greek, Icelandic, Urdu, Tagalog, Sindhi, Polish, ChineseTraditional, Vietnamese, Yoruba, Byelorussian, Latvian, Oriya, Hungarian, Estonian, Hindi, Italian, Yiddish, Tibetan, Javanese, Other, Albanian, Frisian, Laothian, Galician
Release date:
July 31, 2023
FastExcel C# 2023.8.19 Changelog

* Minor improvements and fixes * Updates dependencies