Microsoft.Office.Core Reference Missing

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Using the example provided in codeproject I am struggling to work out where I can find the reference to the library Microsoft.Office.Core.

I am getting the error "The referenced component 'Microsoft.Office.Core' could not be found."

I only have office 2007 enterprise edition and outlook 2003 installed on this system. Could this be the cause of this? Otherwise which specific dll am I supposed to be referencing?

You can add reference of Microsoft.Office.Core from COM components tab in the add reference window by adding reference of Microsoft Office 12.0 Object Library. The screen shot will shows what component you need.

Core libraries are provided with Microsoft Office. I don't have it installed on my machine at the moment and no Microsoft.Office references are  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 (14.0).

None of the above answer helped me, i was using Visual Studio 2017. What I did is, installed Office/SharePoint Development using Visual Studio Installer.

After that, I was able to see 'office', this assembly contains Microsoft.Office.Core.

Hope this helps you.

How do I add a core reference to Microsoft Office? We would like to show you a description here but the site won’t allow us.

You need to download and install 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. Here are the links to download them...

Office 2010 PIA

Office 2007 PIA

Office 2003 PIA

12.0 Object Library . The screen shot will shows what component you need. Missing Microsoft.Office reference windows 10.0 visual studio 2017 version 15.4 Setup Carsten Jensen reported Nov 21, 2017 at 02:42 PM

If someone not have reference in .NET . COM (tab) or not have office installed on machine where visual was installed can do :

  1. Download and install: Microsoft Office Developer Tools
  2. Add references from:

    C:\Program Files (x86)\Microsoft Visual Studio 11.0\Visual Studio Tools for Office\PIA\Office15
    

How do you add Microsoft Office Interop Excel reference in Visual Studio 2019? Microsoft.Office.Core reference - SOLVED Hi guys, I need to add the following reference: Microsoft.Office.Core but I can not find it in the add referen. I'll cover the following topics in the code samples below: Office, Library, Object Library, Microsoft Office 2007, and Tab.

After installing the Office PIA (primary interop assemblies), add a reference to your project -> its on the .NET tab - component name "Office"

How do I add Microsoft Office Interop Excel reference in Visual Studio 2017? Hello, I need to add the reference Microsoft.Office.Core in my .NET proyect but no exists in the list. I have alredy install the Microsoft Office 2003, the Microsoft Office 2003 Primary Interop Assemblies and only can see the Microsoft.Office.Tools and Microsoft.Office.Interop.

Using the example provided in codeproject I am struggling to work out where I can find the reference to the library Microsoft.Office.Core. Microsoft. Office. Core Namespace In this article Specifies the task pane section to which to add a file or where the file reference exists. MsoFileType:

I cant see Microsoft.Office.Core in the references,please anybody tell me how it can be included in our project its urgent Help please. For example, references to the Office.dll and Microsoft.Vbe.Interop.dll assemblies are added automatically when you add a reference to the Word, Excel, Outlook, Microsoft Forms, or Graph assemblies. Primary interop assemblies for Microsoft Office applications

In some scenarios, you might need to add references to additional PIAs (for example, if you want to use a feature of Microsoft Office Word in a  Incompatibility between framework versions allows the reference to get added but results in missing references during build/run time. To validate if this is indeed the problem, you can check the warnings that Visual Studio produces while building the solution.

Comments
  • Tried both suggestions and still seem to be stuck. The question is what is the "COM Library appropriate for your system" in my case?
  • Did you ever figure this out? I'm having the same issue.
  • .NET->Office (if PIA installed). See Spike's answer below.
  • I used "Microsoft Office 14.0 Object Library" (12.0 didn't exist) and it worked as well. Also, I had to delete the reference to "Microsoft.Office.Core" first.
  • Jazakallah Adil bhai. Worked for me.
  • I am using Visual Studio 2017 but I cannot see the the "Microsoft Office XX.X Object Library" in the COM tab. Do I need to install "Microsoft Office"?
  • @Kin Did you find out what to do? I'm also using VS 2017 and I don't see a reference to the office's libraries. Did you have to install Microsoft Office?
  • Tried all three. No luck thus far!
  • Installed PIA but couldn't find them in "Add reference", but then it worked for me by adding the DLL from path directly e.g. C:\Windows\assembly\GAC_MSIL\Microsoft.Office.Interop.Excel\xxxx\....
  • I have been able to find the other PIAs but not Microsoft.Office.Core
  • Still doesn't show up in the COM list to add as reference
  • Upvoted because this actually did it to me. Initially setting the references to .COM did not solve the problem.
  • Be nice to know where this .NET tab is
  • Adding to answer: If you install an Office Interop lib through the NuGet package manager console (say PowerPoint or Excel), it looks to install this, too... the same does not seem to be true if you use the Visual Studio NuGet GUI