DotnetPoi.Legacy 0.5.0

dotnet add package DotnetPoi.Legacy --version 0.5.0
                    
NuGet\Install-Package DotnetPoi.Legacy -Version 0.5.0
                    
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.
<PackageReference Include="DotnetPoi.Legacy" Version="0.5.0" />
                    
For projects that support PackageReference, copy this XML node into the project file to reference the package.
<PackageVersion Include="DotnetPoi.Legacy" Version="0.5.0" />
                    
Directory.Packages.props
<PackageReference Include="DotnetPoi.Legacy" />
                    
Project file
For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.
paket add DotnetPoi.Legacy --version 0.5.0
                    
#r "nuget: DotnetPoi.Legacy, 0.5.0"
                    
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.
#:package DotnetPoi.Legacy@0.5.0
                    
#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.
#addin nuget:?package=DotnetPoi.Legacy&version=0.5.0
                    
Install as a Cake Addin
#tool nuget:?package=DotnetPoi.Legacy&version=0.5.0
                    
Install as a Cake Tool

DotnetPoi.Legacy

Legacy Office 97–2003 binary format implementations for xls (HSSF), doc (HWPF), and ppt (HSLF).

Install

dotnet add package DotnetPoi.Legacy
<PackageReference Include="DotnetPoi.Legacy" Version="..." />

NuGet automatically resolves transitive dependencies (DotnetPoi.Common, DotnetPoi.POIFS).

Support Status

Format Implementation Status Description
xls HSSF ⚠️ Partial (~35%) Basic workbook read/write, styles, layout, and OLE/BIFF preservation.
doc HWPF ⚠️ Partial (~25%) Main body/header/footer/table text extraction and limited body editing with OLE preservation.
ppt HSLF ⚠️ Experimental (~12%) OLE2 open, text extraction, record inventory, and no-op preservation.

HSSF (Excel 97-2003)

  • Supported: String, numeric, boolean, error cells; multiple sheets; basic fonts/styles; column/row sizing; merged regions; freeze panes; reading formula text/values; preservation of macros (VBA), OLE streams, and unknown BIFF records.
  • Not yet modeled: Image/shape/chart creation; comment/hyperlink editing; filters; pivots; new formula token writing.

HWPF (Word 97-2003)

  • Supported: OLE2 open; FIB parsing; main body text extraction (CLX/piece table); header/footer and table text extraction; basic Range/Paragraph/Run model; bold/italic/size/font; no-op write; append paragraph; simple text replacement; OLE preservation.
  • Not yet modeled: Images; footnotes; comments; fields; bookmarks.

HSLF (PowerPoint 97-2003)

  • Supported: OLE2 open; stream inventory; PowerPoint Document record tree scan; slide order; TextChars/TextBytes extraction; no-op write/preservation.
  • Not yet modeled: New slide creation; shape editing; image insertion; master/layout editing; animations.

Usage scenarios

If you need… Install this
xls / doc / ppt read/write only DotnetPoi.Legacy (this package)
Legacy binary + formula evaluator DotnetPoi.Legacy + DotnetPoi.Formula
Legacy binary + OOXML (xlsx/docx/pptx) DotnetPoi.Legacy + DotnetPoi.Ooxml
Everything (all formats + formula) DotnetPoi.All (meta-package)

License

Apache License 2.0 — same as upstream Apache POI.

Disclaimer

This project is not affiliated with the Apache Software Foundation or the Apache POI project. Apache POI is a registered trademark of the Apache Software Foundation.

Product Compatible and additional computed target framework versions.
.NET net5.0 was computed.  net5.0-windows was computed.  net6.0 was computed.  net6.0-android was computed.  net6.0-ios was computed.  net6.0-maccatalyst was computed.  net6.0-macos was computed.  net6.0-tvos was computed.  net6.0-windows was computed.  net7.0 was computed.  net7.0-android was computed.  net7.0-ios was computed.  net7.0-maccatalyst was computed.  net7.0-macos was computed.  net7.0-tvos was computed.  net7.0-windows was computed.  net8.0 was computed.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed.  net9.0 was computed.  net9.0-android was computed.  net9.0-browser was computed.  net9.0-ios was computed.  net9.0-maccatalyst was computed.  net9.0-macos was computed.  net9.0-tvos was computed.  net9.0-windows was computed.  net10.0 was computed.  net10.0-android was computed.  net10.0-browser was computed.  net10.0-ios was computed.  net10.0-maccatalyst was computed.  net10.0-macos was computed.  net10.0-tvos was computed.  net10.0-windows was computed. 
.NET Core netcoreapp2.0 was computed.  netcoreapp2.1 was computed.  netcoreapp2.2 was computed.  netcoreapp3.0 was computed.  netcoreapp3.1 was computed. 
.NET Standard netstandard2.0 is compatible.  netstandard2.1 was computed. 
.NET Framework net461 was computed.  net462 was computed.  net463 was computed.  net47 was computed.  net471 was computed.  net472 was computed.  net48 was computed.  net481 was computed. 
MonoAndroid monoandroid was computed. 
MonoMac monomac was computed. 
MonoTouch monotouch was computed. 
Tizen tizen40 was computed.  tizen60 was computed. 
Xamarin.iOS xamarinios was computed. 
Xamarin.Mac xamarinmac was computed. 
Xamarin.TVOS xamarintvos was computed. 
Xamarin.WatchOS xamarinwatchos was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages (1)

Showing the top 1 NuGet packages that depend on DotnetPoi.Legacy:

Package Downloads
DotnetPoi.All

Meta package shell for the complete DotnetPoi surface: OOXML, legacy binary formats, POIFS, and Formula.

GitHub repositories

This package is not used by any popular GitHub repositories.

Version Downloads Last Updated
0.5.0 350 5/8/2026