Microsoft office interop excel dll download for visual studio 2019. Embedding of Interop types (i. Regardless, you seem missing Excel. En algunos escenarios, es posible que tenga que agregar referencias a otros PIA (por ejemplo, puede usar una característica de Microsoft Office Word en un proyecto para Microsoft Office Excel). Office Interop Microsoft Office 2016#:package directive can be used in C# file-based apps starting in . Interop assemblies from NuGet. The reference to Interop. However, Office 2021 has been out for a year and this interop library does not work with it using . They should show up in the . Sign into your Visual Studio (MSDN) subscription here. C++ performs efficient data processing, and Excel helps with data exploration. Note Adding COM Jul 8, 2021 · I am making a service to parse through excel files using C# with Visual Studio 2019 using . md at main Developer CommunityMicrosoft in education Devices for education Microsoft Teams for Education Microsoft 365 Education How to buy for your school Educator training and Those are COM services that Visual Studio can generate . Sep 9, 2019 · The Interop is different for each version of Micorosoft Office. Feb 28, 2023 · Learn about C# features that simplify access to Office API objects. 0 framework and I am trying to use Microsoft. Office. Jan 17, 2017 · Nota: Estas implementaciones las puedes realizar con la versión gratuita de Visual Studio 2017, la Community, y la puedes descargar desde este enlace: https: Jun 13, 2022 · System. 0__71e9bce111e9429c first of all I see that the directories is indicated as 15. dll acts as a bridge between the . When I reference his DLL in my . Go to Project and then Add Reference. This is entirely unsupported and there is no license since it is a repackaging of Office assemblies. Excel namespace. May 30, 2024 · Get started with the Microsoft Office developer tools in Visual Studio to build Office solutions for Microsoft Word, Excel, Outlook, and PowerPoint. Miscrosoft. 0 (no runtime version indicated) when I look at the Properties of a reference to Microsoft. This integration relies on the Azure DevOps Office Integration add-in, which adds a Team ribbon to your Office applications. Oct 22, 2021 · This article talks about office interop objects in C# and how you can use them to interact with Microsoft Word and Excel. Sep 20, 2019 · I have a windows form application build using Visual Studio 2012. Excel appears in the project Dependencies under COM. Install the tool by running the downloaded file. If you do not see them, you need to install the PIA from your Office setup or download them separately as I linked in my answer. Net 6. 5, . Aug 7, 2025 · Office プロジェクトから Microsoft Office アプリケーションの機能を使用するには、アプリケーションのプライマリ相互運用機能アセンブリ (PIA: Primary Interop Assembly) を使用することが必要です。 PIA によって、Microsoft Office アプリケーションの COM ベースのオブジェクト モデルと対話するマネージド Sep 4, 2015 · If you only read and write data and don't do any "excel functionality" you could just connect to excel using Microsoft. NET and 2019 MS Office. However when I run the compiled software on a friends machine (running Microsoft 365) the print… Mar 27, 2018 · Upgrade to VS 2017 and now I there is no references available to Microsoft. Here is what the beginning of this program looks like (just trying to open the workbook): using System; using Apr 17, 2020 · Office 15. Excel\15. Jul 17, 2020 · I am trying to run a macro in Excel 2016 using a C# program from Visual Studio 2019. Why didn't Microsoft assign a new extension (e. Feb 28, 2023 · Learn about the features Visual Studio offers that improve Microsoft Office programming. 1. NET sample for . You may just need a different one (or a different approach for office interop) Mar 11, 2024 · Explore assemblies in the Visual Studio Tools for Office runtime and how Visual Studio automatically adds references the assemblies. dll. These libraries allow developers to automate Office applications to create, modify, and interact with them programmatically. xlsm? To use the features of a Microsoft Office application from an Office project, you must use the primary interop assembly (PIA) for the application. Mar 11, 2024 · Install the Microsoft Visual Studio 2010 Tools for Office Runtime redistributable, and review installation requirements. May 20, 2020 · Developer CommunityMicrosoft. xlsm file that exists on the same lo Aug 7, 2025 · PIA(기본 interop 어셈블리)를 사용하여 Office 프로젝트에서 Microsoft Office 앱lication의 기능에 액세스할 수 있습니다. NET tab in the Add References dialog. I have created a . net core (via . So if you update the Office you need to download the version of the Interop that is compatible. Jun 27, 2016 · In SSIS script task ,I was trying to add the reference, Microsoft Office Interop Excel. Mar 11, 2024 · Install the Microsoft Office primary interop assemblies (PIAs) when you install Office, and review installation requirements. Possibly the installation code is not yet recognizing VS2015 as Visual Studio 14. xlsm? C++ performs efficient data processing, and Excel helps with data exploration. NET framework, using languages like C# or VB. Excel' could not be found. May 7, 2021 · Visual Studio windows 10. cs file before any lines of code to reference the package. You may just need a different one (or a different approach for office interop) Jan 20, 2025 · How To Install Microsoft Office Interop Excel Microsoft Office Interop Excel is a powerful library that provides access to the rich functionality of Excel from your . File name: 'Microsoft. . Visual Studio and the Windows SDK provide tools to import and convert a type library to an interop assembly, as discussed in Importing a Type Library as an Assembly. No-PIA). Example First import the Microsoft. I downloaded and ran o2010pia. Mar 19, 2023 · If you want to programmatically add an Excel Web Access web part to a SharePoint page and programmatically change the Excel Web Access web part, you must add a reference to the required SharePoint DLLs. Installing Microsoft Office Interop Excel involves several steps Jul 24, 2022 · I'm currently using Visual Studio 2022 with the Microsoft. Jan 4, 2011 · Microsoft. OleDb, and work with excel file just like with DB table. To find the version of excel, in visual studio, right click references, then extensions,then find the excel interop and check that the version is the one you are referencing. The app has Microsoft. Restart Excel to see the Team ribbon. Apr 22, 2021 · The system cannot find the file specified. Excel assembly. Dec 4, 2020 · Or it can be a collection of Excel stuff in Microsoft. It offers a way to automate Excel to create spreadsheets, manipulate values, and perform operations directly from your code. Mar 11, 2024 · Create a VSTO add-in for the Microsoft Office Excel with features that are available to the application itself, regardless of which Excel workbooks are open. NET Framework and the Excel application, facilitating the automation of Excel tasks like creating spreadsheets, manipulating data, and generating reports. Excel The error I am getting is: System. According to properties, the dll should be installed in C:\Program Files (x86)\Microsoft Visual Studio\Shared\Visual Studio Tools for Office\PIA\Office15\Microsoft. You are using 365. . ApplicationClass' to interface type 'Microsoft. Word, an imports Excel = Microsoft. ACE. dll Aug 7, 2025 · Instale los ensamblados de interoperabilidad primarios (PIA) de Microsoft Office al instalar Office y revise los requisitos de instalación. But I couldn't open it. Is it a service reference? It is not in the list of referenes Aug 7, 2015 · I found out that I should load the Office Interop Assemblies. Currently, Microsoft. Interop. You can rt-click and select Properties to access Copy Local and Embed Interop Types. In this article, we will learn how to read an excel file using Microsoft’s Interop excel library. Aug 26, 2025 · This tool allows you to connect to Azure Boards from Excel. I think the library contains the Interop stuff - just add it, then try to add a Using-statement in your code, and see if it finds what you need. It has been running fine for years on the current production server (I think it's Server 2016), but we are having trouble setting it up on a new server running Server 2019 Datacenter edition. _Application'. It is not recommended that you use those; you should use the PIA assemblies released from Microsoft. On the Assemblies page, select Microsoft. There are lots of free/Paid excel libraries available in Nuget manager. Excel assembly Extension for Visual Studio - IronXL allows developers to Read, Generate and Edit Excel (and other Spreadsheet files) in . If you selected the Office work load when you installed Visual Studio you will find these interop assemblies in the %programfiles (x86)%\Microsoft Visual Studio\Shared\Visual Studio Developer CommunityMicrosoft in education Devices for education Microsoft Teams for Education Microsoft 365 Education How to buy for your school Educator training and Jan 19, 2025 · Introduction In the realm of software development, particularly when building applications that interface with Microsoft Office applications like Excel, developers often work with the Microsoft Office Interop libraries. NET interop assemblies for. However, I am getting an error when trying to open an excel file using interop. I have referenced Microsoft. Aug 7, 2025 · 使用主要 Interop 元件 （PIA） 從 Office 專案存取 Microsoft Office 應用程式 lication 的功能。 This video will guide You how to add Microsoft. 4795. NET Core 3. exe), and read about other issues related to interop assemblies. You can embed type information, which allows deployment of assemblies that interact with COM components without deploying primary interop assemblies (PIAs) to the user's Jun 4, 2024 · For Microsoft. Mar 11, 2024 · Explore how you can use Visual Studio to programmatically target Microsoft Office applications through primary interop assemblies. Dec 17, 2020 · Hello, I have simple code to open a excel. Excel assembly, we use Excel spreadsheets and data. Excel libary on NuGet, as of June, is 15. The PIA enables managed code to interact with a Microsoft Office application's COM-based object model. Or you might just find the given file and attach it to your project manually (as any other dll). g. Key Features Demonstrates how to consume Office Primary Interop Assemblies (PIA) with . NET assembly dll files, in the way Excel released . net standard). Support for the IDispatch interface. 1000. Sep 15, 2021 · An interop application typically includes a . Outlook. May 26, 2023 · I am still trying VS 2022 and did a clean install of Win 10 x64 Pro followed by MS Office H&E 2007 then VS2022 Community. Mar 11, 2024 · When you create an Office project, Visual Studio automatically adds references to the Visual Studio Tools for Office runtime assemblies that are used for the project type and the target . May 7, 2024 · It is failing to build. My guess is that the app has the wrong version number, but I don't know how to take the version number on NuGet and make it equal to what Visual Studio is expecting. NET Core. Excel Where did the reference go? Represents a workbook in Excel projects created by using the Office development tools in Visual Studio. Excel Please respond Ronald Chandler ******@gmail. You need to latest Interop that will work with 365. May 22, 2020 · Developer CommunityMicrosoft in education Devices for education Microsoft Teams for Education Microsoft 365 Education How to buy for your school Educator training and Aug 29, 2019 · Had you add the PIA (primary interop assemblies) for the version of Office you are using ? Once installed you can then add a reference to your project and they will be available from the add reference dialog. Contribute to dotnet/docs development by creating an account on GitHub. I googled about this interop problem and tried every ways, but I didn't get anything. 5. NET Framework 3. Interop technology to read and write Excel files. Apr 6, 2024 · I am trying to establish references to Word and Excel, and getting compile errors for the following: Imports word = Microsoft. NET app, I get a warning: The dependency 'Microsoft. I added the COM references: Microsoft Excel 16 Object Library (Microsoft. Office. If you still don't see the Team ribbon, do the steps in the following sections. Mar 9, 2015 · Now that Visual Studio 2019 is out, you can install Microsoft Office interop libraries as part of an optional bundled component called Visual Studio Tools for Office (VSTO). Excel. Excel in one of our C# Projects. Word wasn't installed and I had to copy the DLLs over from another PC. This operation failed because the QueryInterface call on the COM component for the interface Nov 11, 2021 · I'm using Visual Studio 2022. Any idea on how to fix this? Explore all classes and interfaces of the Microsoft. In Sep 9, 2025 · The following section is the "REDIST list" that is referenced in the "Distributable Code" section of the Microsoft Software License Terms for Visual Studio Enterprise 2019, Visual Studio Professional 2019, Visual Studio Community 2019 ("the software"). Download previous versions of Visual Studio Community, Professional, and Enterprise softwares. NET Framework 4, and . [!include Add-ins note] When you create a new Office project, Visual Studio adds references to the PIAs that are required to build the project. Features in Visual Basic include automatically implemented properties, statements in lambda expressions, and collection initializers. 0? Oct 19, 2015 · You have to add a reference to the given Excel Object Library in your project. Feb 3, 2021 · I have created an application in VB. Excel version 15. It is based on the How to automate Microsoft Excel from Microsoft Visual C#. Microsoft. Feb 25, 2023 · Visual Studio offers features in Visual Basic that improve Microsoft Office programming. 0). If the way to do it in VS 2015 is different than so far, you should do some research to know the new approach. dll with Embed Interop Types set to True. Nov 30, 2019 · How do you add Microsoft Office Interop Excel reference in Visual Studio 2019? To add references In Solution Explorer, right-click your project’s name and then click Add Reference. Jan 20, 2025 · How To Install Microsoft Office Interop Excel Microsoft Office Interop Excel is a powerful and essential tool for developers looking to automate tasks and create applications that work with Excel. NET 10 preview 4. Excel. With the Microsoft. Nov 30, 2022 · A core feature of Visual Studio that allows developers to inspect, analyze, and troubleshoot code during execution. NET アプリケーションのプロジェクトを作成します。ソリューションエクスプローラの[依存関係]ノードを選択し、右クリックしポップアップメニューを表示します Dec 24, 2024 · Excel An Excel spreadsheet can be used in a VB. Some approaches yield better performance than others. dlla) for the different . Net. NET applications. dll Microsoft. - visualstudio-docs/docs/vsto/how-to-install-office-primary-interop-assemblies. There are different assemblies in the Office extensions for the . 9 I then discovered for some reason that “Microsoft Excel 16. NET Framework. dll on my PC is v15…0. Understanding Microsoft. It is designed to work with . 0 and the object property is Jun 13, 2025 · Learn how Visual Studio interop assemblies allow managed applications to access the COM interfaces that provide Visual Studio extensibility. Copy this into a . My app will compile. Interop, short for "interoperability," allows developers to control Excel from the . Aug 7, 2025 · Al crear un proyecto de Office, Visual Studio agrega referencias a los PIA obligatorios para compilar el proyecto. I cannot find a newer version for use with Office 365 excel. InteropServices. Excel, Version=14. Oct 23, 2019 · The interop methods have changed from time to time, and that library probably isn't supported in your version of visual studio. net 6 project. However, the log says it cannot find Microsoft. 0 Setup project visual studio visual studio 2019 version 16. Learn more. Jan 9, 2023 · I have a project targeting . I use 2019 VB. To install the Azure DevOps Integration 2019 tool, follow these steps: Download the Azure DevOps Office Integration 2019 tool. The next question is to decide which C# Excel library is best suited for your project. NET. May 2, 2020 · Developer CommunityIf you take expand the References node in Solution Explorer, do you see a reference to the Excel Interop assembly and a reference to the Office interop assembly? If not you will want to add them. Excel as I would like to run an excel macro configured inside the . Aug 7, 2025 · 相關內容 Office 主要 Interop 組件 如何：透過主要 Interop 組件以 Office 應用程式為目標 如何：設定電腦以開發 Office 方案 如何：安裝 Visual Studio Tools for Office 執行階段可轉散發套件 Office 方案開發概觀 (VSTO) 開始使用 (Visual Studio 中的 Office 開發) Sep 19, 2025 · Azure DevOps integrates with Microsoft Office applications, primarily Excel and Project, to enable bulk editing and management of work items. e. COMException… Explore all classes and interfaces of the Microsoft. 1001. Mar 11, 2022 · Register primary interop assemblies using the Assembly Registration Tool (Regasm. Excel which worked fine on Windows 10 and stopped working after upgrading to Windows 11. Excel) and Microsoft Office 16 Object Library ( Jun 23, 2025 · IronXL and Microsoft Excel Interop both provide the methods to create, edit, and read excel documents in . It is important to use an optimized method. net on Visual Studio 2017. NET Framework 4. NET アプリケーションの場合 Visual Studio を起動し. The Add Reference dialog box appears. Mar 11, 2024 · Use the primary interop assembly (PIA) to gain access the features of a Microsoft Office application from an Office project. 0. Runtime. Aug 7, 2025 · 创建新的 Office 项目时，Visual Studio 会添加对生成该项目所需的 PIA 的引用。 在某些情况下，可能需要添加对其他 PIA 的引用（例如，可以在Microsoft 办公室 Excel 的项目中使用 Microsoft 办公室 Word 的功能）。. NET Documentation. Description is Microsoft Outlook Object Library, but the name is Microsoft. dll Mar 11, 2024 · Learn how to configure a development computer so that you can use the Microsoft Office developer tools in Visual Studio. Net Applications & websites. Excel, it appears that we have version 1. Jun 29, 2023 · This is a basic Excel demo sample in . InvalidCastException: Unable to cast COM object of type 'Microsoft. Click Jul 15, 2024 · The Microsoft Office 2010 Primary Interop Assemblies (PIA) Redistributable is a Microsoft Windows Installer package that contains the Primary Interop Assemblies for Microsoft Office 2010 products. It is crucial for applications that need to generate reports, analyze data, or manipulate Excel files without user intervention. Interop. Add the Microsoft. Please, help me to fix it. For Visual Studio 2019, you can still use C++ to call the Excel API. NET Framework of the project. Excel#:package directive can be used in C# file-based apps starting in . Note that the Primary Interop Assemblies are not required since Office 2007 and were meant for the target 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. Jan 15, 2024 · Just find the excel dll in the com list. Application is running on Windows server 2008 R2 where MS Office 2010 is installed. For more information on the use of this dll, please refer to the official documentation: How to access Office interop objects This an assembly you can use for Excel 2013/2016/2019 COM interop, generated and signed by Microsoft. dll This repository contains . 0 Object Library” is not even listed in the reference manager which leads me to think Excel got corrupted, I have re-installed Office and restarted my PC but it still not being listed. Excel package in C#, It's a simple console app. NET client assembly, one or more interop assemblies representing distinct COM type libraries, and one or more registered COM components. 0\Visual Studio Tools for Office" where I think they should live. 6. Jul 24, 2022 · I'm currently using Visual Studio 2022 with the Microsoft. Excel, version 15. Excel アセンブリの参照を追加する手順を紹介します。手順: . 0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' I am using the Microsoft. This repo is the home of the official documentation for Visual Studio. Dec 13, 2020 · I referred Microsoft. In case you are using Visual Studio 2012, for this to work and in order to make reference to Microsoft Office Core, you have to make the reference through Visual Studio by clicking on the top menu's Project, Add Reference, Extensions button and checking office which is now (14. msi, but nothing showed up in "C:\Program Files (x86)\Microsoft Visual Studio 14. 0 is Office 2013. Word in Visual Studio Aug 6, 2023 · I reinstall my Office 365 from my online Microsoft 365 account and I see that in C:\Windows\assembly\GAC_MSIL\Microsoft. Use the new features to write code that creates and displays an Excel worksheet. Nov 12, 2008 · My colleague has written a DLL which drives Excel. If you have a validly licensed copy of such software, you may copy and distribute with your program the unmodified form of the files listed Sep 29, 2022 · Currently, Microsoft. com Jun 16, 2021 · I inherited an older C# application written in Visual Studio 2012 which uses Excel. if any other information is needed feel free to ask. Nov 17, 2021 · I have a C# application using Office. Word in the Component Name list, and then hold down the CTRL key and select Microsoft. NET program. xlsx and . jinhp 8jsmn5 siz tdwzv cw4s 9qx5yxwz fsgdt3 jpwxc fxu y6q