Microsoft.Extensions.Configuration 10.0.2

About

Microsoft.Extensions.Configuration is combined with a core configuration abstraction under Microsoft.Extensions.Configuration.Abstractions that allows for building different kinds of configuration providers to retrieve key/value pair configuration values from in the form of IConfiguration. There are a number of built-in configuration provider implementations to read from environment variables, in-memory collections, JSON, INI or XML files. Aside from the built-in variations, there are more shipped libraries shipped by community for integration with various configuration service and other data sources.

Key Features

  • In-memory configuration provider
  • Chained configuration provider for chaining multiple confiugration providers together.
  • Base types that implement configuration abstraction interfaces that can be used when implementing other configuration providers.

How to Use

using Microsoft.Extensions.Configuration;

var configurationBuilder = new ConfigurationBuilder();

configurationBuilder.AddInMemoryCollection(
    new Dictionary<string, string?>
    {
        ["Setting1"] = "value",
        ["MyOptions:Enabled"] = bool.TrueString,
    });

configurationBuilder.AddInMemoryCollection(
    new Dictionary<string, string?>
    {
        ["Setting2"] = "value2",
        ["MyOptions:Enabled"] = bool.FalseString,
    });

var config = configurationBuilder.Build();

// note case-insensitive
Console.WriteLine(config["setting1"]);
Console.WriteLine(config["setting2"]);

// note last in wins
Console.WriteLine(config["MyOptions:Enabled"]);

Main Types

The main types provided by this library are:

  • Microsoft.Extensions.Configuration.ConfigurationBuilder
  • Microsoft.Extensions.Configuration.ConfigurationManager
  • Microsoft.Extensions.Configuration.ConfigurationRoot
  • Microsoft.Extensions.Configuration.ConfigurationSection

Additional Documentation

Feedback & Contributing

Microsoft.Extensions.Configuration is released as open source under the MIT license. Bug reports and contributions are welcome at the GitHub repository.

Showing the top 20 packages that depend on Microsoft.Extensions.Configuration.

Packages Downloads
Microsoft.Extensions.Configuration.AzureKeyVault
Azure KeyVault configuration provider implementation for Microsoft.Extensions.Configuration.
125
Microsoft.Extensions.Configuration.Binder
Functionality to bind an object to data in configuration providers for Microsoft.Extensions.Configuration.
176
Microsoft.Extensions.Configuration.EnvironmentVariables
Environment variables configuration provider implementation for Microsoft.Extensions.Configuration.
130
Microsoft.Extensions.Configuration.EnvironmentVariables
Environment variables configuration provider implementation for Microsoft.Extensions.Configuration. This package enables you to read configuration parameters from environment variables. You can use EnvironmentVariablesExtensions.AddEnvironmentVariables extension method on IConfigurationBuilder to add the environment variables configuration provider to the configuration builder.
129
Microsoft.Extensions.Configuration.FileExtensions
Extension methods for configuring file-based configuration providers for Microsoft.Extensions.Configuration.
126
Microsoft.Extensions.Configuration.FileExtensions
Extension methods for configuring file-based configuration providers for Microsoft.Extensions.Configuration.
127
Microsoft.Extensions.Configuration.FileExtensions
Extension methods for configuring file-based configuration providers for Microsoft.Extensions.Configuration.
129
Microsoft.Extensions.Configuration.FileExtensions
Provides a base class for file-based configuration providers used with Microsoft.Extensions.Configuration and extension methods for configuring them.
171
Microsoft.Extensions.Configuration.Xml
XML configuration provider implementation for Microsoft.Extensions.Configuration. This package enables you to read configuration parameters from XML files. You can use XmlConfigurationExtensions.AddXmlFile extension method on IConfigurationBuilder to add XML configuration provider to the configuration builder.
130
Microsoft.Extensions.Configuration.Xml
XML configuration provider implementation for Microsoft.Extensions.Configuration. This package enables you to read configuration parameters from XML files. You can use XmlConfigurationExtensions.AddXmlFile extension method on IConfigurationBuilder to add XML configuration provider to the configuration builder.
132
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
126
Microsoft.Extensions.Hosting
Hosting and startup infrastructures for applications.
131
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
125
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications.
128
Microsoft.Extensions.Hosting
.NET Core hosting and startup infrastructures for applications. This package was built from the source at: https://github.com/aspnet/Hosting/tree/c3edce8e8a19a1e2e58fd21a986271b88071e6ba
127
Microsoft.Extensions.Logging.Configuration
Configuration support for Microsoft.Extensions.Logging.
129
Microsoft.Extensions.Logging.Configuration
Configuration support for Microsoft.Extensions.Logging.
194
Serilog.Sinks.Http
A Serilog sink sending log events over HTTP.
151

https://go.microsoft.com/fwlink/?LinkID=799421

Version Downloads Last updated
10.0.2 5 01/15/2026
10.0.1 14 12/11/2025
10.0.0 37 11/12/2025
10.0.0-rc.2.25502.107 44 10/15/2025
10.0.0-rc.1.25451.107 58 09/10/2025
10.0.0-preview.7.25380.108 62 08/14/2025
10.0.0-preview.6.25358.103 75 07/15/2025
10.0.0-preview.5.25277.114 67 06/06/2025
10.0.0-preview.4.25258.110 86 05/15/2025
10.0.0-preview.3.25171.5 89 04/12/2025
10.0.0-preview.2.25163.2 78 04/02/2025
10.0.0-preview.1.25080.5 80 04/02/2025
9.0.12 9 01/13/2026
9.0.11 28 11/12/2025
9.0.10 46 10/15/2025
9.0.9 49 09/10/2025
9.0.8 69 08/05/2025
9.0.7 77 07/09/2025
9.0.6 81 06/12/2025
9.0.5 100 05/16/2025
9.0.4 82 04/09/2025
9.0.3 96 03/30/2025
9.0.2 93 03/19/2025
9.0.1 79 03/06/2025
9.0.0 98 11/14/2024
9.0.0-rc.2.24473.5 77 10/20/2024
9.0.0-rc.1.24431.7 75 09/20/2024
9.0.0-preview.7.24405.7 97 08/20/2024
9.0.0-preview.6.24327.7 95 07/18/2024
9.0.0-preview.5.24306.7 100 07/23/2024
9.0.0-preview.4.24266.19 99 07/23/2024
9.0.0-preview.3.24172.9 118 07/23/2024
9.0.0-preview.2.24128.5 97 07/23/2024
9.0.0-preview.1.24080.9 102 07/23/2024
8.0.0 133 02/05/2024
8.0.0-rc.2.23479.6 115 07/23/2024
8.0.0-rc.1.23419.4 94 07/23/2024
8.0.0-preview.7.23375.6 90 07/24/2024
8.0.0-preview.6.23329.7 103 07/23/2024
8.0.0-preview.5.23280.8 110 07/23/2024
8.0.0-preview.4.23259.5 112 07/23/2024
8.0.0-preview.3.23174.8 107 07/23/2024
8.0.0-preview.2.23128.3 94 07/23/2024
8.0.0-preview.1.23110.8 115 07/23/2024
7.0.0 111 02/05/2024
7.0.0-rc.2.22472.3 102 07/18/2024
7.0.0-rc.1.22426.10 111 07/23/2024
7.0.0-preview.7.22375.6 100 07/27/2024
7.0.0-preview.6.22324.4 108 07/22/2024
7.0.0-preview.5.22301.12 108 07/23/2024
7.0.0-preview.4.22229.4 112 07/18/2024
7.0.0-preview.3.22175.4 92 07/23/2024
7.0.0-preview.2.22152.2 97 07/23/2024
7.0.0-preview.1.22076.8 118 07/22/2024
6.0.2 82 11/14/2024
6.0.1 119 07/23/2024
6.0.0 225 02/04/2024
6.0.0-rc.2.21480.5 102 07/23/2024
6.0.0-rc.1.21451.13 95 07/18/2024
6.0.0-preview.7.21377.19 110 07/18/2024
6.0.0-preview.6.21352.12 113 07/23/2024
6.0.0-preview.5.21301.5 105 07/14/2024
6.0.0-preview.4.21253.7 100 07/23/2024
6.0.0-preview.3.21201.4 95 07/23/2024
6.0.0-preview.2.21154.6 107 07/24/2024
6.0.0-preview.1.21102.12 102 07/23/2024
5.0.0 151 02/04/2024
5.0.0-rc.2.20475.5 116 07/23/2024
5.0.0-rc.1.20451.14 101 07/21/2024
5.0.0-preview.8.20407.11 112 07/23/2024
5.0.0-preview.7.20364.11 110 07/23/2024
5.0.0-preview.6.20305.6 106 07/23/2024
5.0.0-preview.5.20278.1 104 07/17/2024
5.0.0-preview.4.20251.6 114 07/23/2024
5.0.0-preview.3.20215.2 98 07/20/2024
5.0.0-preview.2.20160.3 104 07/23/2024
5.0.0-preview.1.20120.4 108 07/23/2024
3.1.32 119 07/18/2024
3.1.31 128 07/23/2024
3.1.30 98 07/23/2024
3.1.29 118 07/22/2024
3.1.28 99 07/23/2024
3.1.27 124 07/23/2024
3.1.26 123 07/23/2024
3.1.25 124 07/18/2024
3.1.24 108 07/21/2024
3.1.23 102 07/23/2024
3.1.22 107 07/21/2024
3.1.21 108 07/18/2024
3.1.20 105 07/23/2024
3.1.19 98 07/23/2024
3.1.18 101 07/23/2024
3.1.17 115 07/23/2024
3.1.16 97 07/23/2024
3.1.15 118 07/23/2024
3.1.14 99 07/23/2024
3.1.13 99 07/23/2024
3.1.12 90 07/23/2024
3.1.11 113 07/23/2024
3.1.10 118 07/23/2024
3.1.9 103 07/19/2024
3.1.8 94 07/23/2024
3.1.7 96 07/23/2024
3.1.6 116 07/23/2024
3.1.5 109 07/23/2024
3.1.4 99 07/23/2024
3.1.3 107 07/23/2024
3.1.2 105 07/23/2024
3.1.1 102 07/23/2024
3.1.0 112 07/23/2024
3.1.0-preview3.19553.2 115 07/23/2024
3.1.0-preview2.19525.4 107 07/18/2024
3.1.0-preview1.19506.1 114 07/23/2024
3.0.3 102 07/23/2024
3.0.2 102 07/23/2024
3.0.1 109 07/23/2024
3.0.0 109 07/22/2024
3.0.0-rc1.19456.10 102 07/23/2024
3.0.0-preview9.19423.4 101 07/23/2024
3.0.0-preview8.19405.4 94 07/18/2024
3.0.0-preview7.19362.4 99 07/23/2024
3.0.0-preview6.19304.6 83 07/23/2024
3.0.0-preview5.19227.9 97 07/23/2024
3.0.0-preview4.19216.2 114 07/23/2024
3.0.0-preview3.19153.1 101 07/14/2024
3.0.0-preview.19074.2 104 07/23/2024
3.0.0-preview.18572.1 106 07/23/2024
2.2.0 115 07/23/2024
2.2.0-preview3-35497 108 07/23/2024
2.2.0-preview2-35157 115 07/23/2024
2.2.0-preview1-35029 113 07/23/2024
2.1.1 117 07/23/2024
2.1.0 100 07/23/2024
2.1.0-rc1-final 105 07/23/2024
2.1.0-preview2-final 107 07/20/2024
2.1.0-preview1-final 103 07/23/2024
2.0.2 112 07/22/2024
2.0.1 89 07/23/2024
2.0.0 181 02/04/2024
2.0.0-preview2-final 107 07/23/2024
2.0.0-preview1-final 101 07/23/2024
1.1.2 107 07/23/2024
1.1.1 109 07/22/2024
1.1.0 114 07/23/2024
1.1.0-preview1-final 96 07/23/2024
1.0.2 107 07/23/2024
1.0.1 98 07/23/2024
1.0.0 99 07/23/2024
1.0.0-rc2-final 111 07/23/2024
1.0.0-rc1-final 102 07/23/2024