There is a newer version of this package available.
See the version list below for details.
Install-Package NPOI -Version 2.0.6
dotnet add package NPOI --version 2.0.6
<PackageReference Include="NPOI" Version="2.0.6" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add NPOI --version 2.0.6
The NuGet Team does not provide support for this client. Please contact its maintainers for support.
#r "nuget: NPOI, 2.0.6"
#r directive can be used in F# Interactive, C# scripting and .NET Interactive. Copy this into the interactive tool or source code of the script to reference the package.
// Install NPOI as a Cake Addin
#addin nuget:?package=NPOI&version=2.0.6

// Install NPOI as a Cake Tool
#tool nuget:?package=NPOI&version=2.0.6
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

This project is the .NET version of POI from Apache Foundation. NPOI can read and write xls (Excel 97-2003), xlsx(Excel 2007+) and docx(Word 2007+)

NuGet packages (495)

Showing the top 5 NuGet packages that depend on NPOI:

Package Downloads
Npoi.Mapper

Convention-based mapper between strong typed object and Excel data via NPOI.

ExcelMapper

Map POCOs to Excel files

PMoney.Inventory

Consumes a generic inventory document store to be used in PMoney applications.

Infodinamica.Framework.Exportable

Proyecto que permite exportación de listas genericas (IEnumerable) a Excel

FileHelpers.ExcelNPOIStorage

Extension for FileHelpers to support Excel read/write operations using NPOI Library www.filehelpers.net

GitHub repositories (34)

Showing the top 5 popular GitHub repositories that depend on NPOI:

Repository Stars
SteamTools-Team/SteamTools
🛠「Steam++」是一个包含多种Steam工具功能的工具箱。
Jimmey-Jiang/Common.Utility
Various helper class
ferventdesert/Hawk
visualized crawler & ETL IDE written with C#/WPF
grandnode/grandnode
Open source, headless, multi-tenant eCommerce platform built with .NET Core, MongoDB, AWS DocumentDB, Azure CosmosDB, Vue.js.
liukuo362573/YiShaAdmin
基于 .NET Core MVC 的权限管理系统,代码易读易懂、界面简洁美观。演示版 http://106.14.124.170/admin
Version Downloads Last updated
2.5.4 202,939 7/29/2021
2.5.3 577,051 4/18/2021
2.5.2 797,147 12/5/2020
2.5.1 2,282,952 4/4/2020
2.4.1 3,869,925 12/18/2018
2.3.0 2,361,712 3/20/2017
2.2.1 1,185,929 5/31/2016
2.1.3.1 782,544 2/22/2015
2.1.3 99,126 12/31/2014
2.0.6 308,352 4/12/2014
1.2.5 236,441 7/29/2012
1.2.4 25,326 11/15/2011
1.2.3 20,189 1/12/2011

New features
a. Support Scatter chart in XSSF (xlsx) (other chart types are not supported yet)
b. Extract pictures from Excel (xlsx)
c. XWPF becomes stabler than before
d. Able to support xml:space="preserve" attribute
e. Add mono assembly in the release package
f. file generated by NPOI will contain NPOI tags in custom properties to identify the generator
g. Adjust some XWPF interfaces
h. implement XSSFCell.IsMergedCell
i. IWorkbook implements IList<ISheet>

Sample changes
a. add new samples like BigGridTest, WritePerformanceTest to test performance
b. add ScatterChart to show how to create Scatter chart
c. add LinkedDropDownList for both XSSF and HSSF
d. add MonthlySalaryReport to show how to use formula in XSSF
e. add CreateCustomProperties to show how to use custom props in XSSF and XWPF

Bug fixes
a. fix shift row issue in XSSFSheet
b. fix performance issue due to XmlSerializer. NPOI is getting rid of XmlSerializer.
c. reading/writing CT_Drawing
d. fix ddd pattern issue in CellDateFormatter
e. Change some common interfaces in NPOI.SS
f. fix OutOfMemory issue in MemoryPackagePart
g. Able to read AbsoluteAnchor, OneCellAnchor, TwoCellAnchor in drawing.xml
h. Formula will be calculated automatically after generation
i. improve performance for XSSF while creating new rows
For detail, please read https://npoi.codeplex.com/discussions/443655
j. fix name encoding issue of custom properties in HSSF
For detail, please read https://npoi.codeplex.com/workitem/12296
k. fix exception in HSSFRows.RemoveAllCells
l. fix CellStyle Hashtable comparison issue in class HSSFCellUtil. This can help prevent over 4000 styles issue from code.
m. Fix globalization issue in ExpandedDouble
n. fix a lot of xml serialization issue for OOXML
o. implement XSSFCell.IsMergedCell
p. IWorkbook implements IList<ISheet>