entityMap|0|type|IMAGE|mutability|IMMUTABLE|data|imageUrl|https://ask.qcloudimg.com/http-save/actteam/05a260a85d73f66f01ca2670d93e207b.png|imageAlt|blocks|key|5mauq|text|您可以添加引用|unstyled|depth|inlineStyleRanges|entityRanges|dq8v4|来自|8jmtj|COM组件|52pu2|选项卡，在添加引用窗口中添加引用|22rbm|..。屏幕截图将显示您需要的组件。|c4ksi|​|dej40|fjo1g|?|atomic|offset|length|9qqd9|ebnkj^0|0|0|0|0|0|0|0|0|1|0|0|0^^$0|$1|$2|3|4|5|6|$7|8|9|-4]]]|A|@$B|C|D|E|2|F|G|11|H|@]|I|@]|6|$]]|$B|J|D|K|2|F|G|12|H|@]|I|@]|6|$]]|$B|L|D|M|2|F|G|13|H|@]|I|@]|6|$]]|$B|N|D|O|2|F|G|14|H|@]|I|@]|6|$]]|$B|P|D|Q|2|F|G|15|H|@]|I|@]|6|$]]|$B|R|D|S|2|F|G|16|H|@]|I|@]|6|$]]|$B|T|D|-4|2|F|G|17|H|@]|I|@]|6|$]]|$B|U|D|V|2|W|G|18|H|@]|I|@$X|19|Y|1A|B|1B]]|6|$]]|$B|Z|D|-4|2|F|G|1C|H|@]|I|@]|6|$]]|$B|10|D|S|2|F|G|1D|H|@]|I|@]|6|$]]]]

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

<img src="https://i.stack.imgur.com/AD0xN.png" alt="enter image description here">

entityMap|0|type|IMAGE|mutability|IMMUTABLE|data|imageUrl|https://ask.qcloudimg.com/http-save/actteam/942dcdb67de9806815c9340ced69f482.png|imageAlt|1|https://ask.qcloudimg.com/http-save/actteam/8d081d7b74e329cea2e8cb080ce5426f.png|blocks|key|8ie99|text|上面的答案对我都没有帮助，我使用的是Visual+Studio+2017。我所做的是，使用Visual+Studio+Installer安装Office/SharePoint+Development。|unstyled|depth|inlineStyleRanges|entityRanges|2aof0|​|ajf74|fflsm|?|atomic|offset|length|1fvai|bs3v0|2mats|在那之后，我可以看到'office'，这个程序集包含Microsoft.Office.Core。|2f6qn|a2jeh|4ceqn|a13tp|eneom|6o383|希望这对你有帮助。^0|0|0|0|0|1|0|0|0|0|0|0|0|0|1|1|0|0|0^^$0|$1|$2|3|4|5|6|$7|8|9|-4]]|A|$2|3|4|5|6|$7|B|9|-4]]]|C|@$D|E|F|G|2|H|I|14|J|@]|K|@]|6|$]]|$D|L|F|M|2|H|I|15|J|@]|K|@]|6|$]]|$D|N|F|-4|2|H|I|16|J|@]|K|@]|6|$]]|$D|O|F|P|2|Q|I|17|J|@]|K|@$R|18|S|19|D|1A]]|6|$]]|$D|T|F|-4|2|H|I|1B|J|@]|K|@]|6|$]]|$D|U|F|M|2|H|I|1C|J|@]|K|@]|6|$]]|$D|V|F|W|2|H|I|1D|J|@]|K|@]|6|$]]|$D|X|F|M|2|H|I|1E|J|@]|K|@]|6|$]]|$D|Y|F|-4|2|H|I|1F|J|@]|K|@]|6|$]]|$D|Z|F|P|2|Q|I|1G|J|@]|K|@$R|1H|S|1I|D|1J]]|6|$]]|$D|10|F|-4|2|H|I|1K|J|@]|K|@]|6|$]]|$D|11|F|M|2|H|I|1L|J|@]|K|@]|6|$]]|$D|12|F|13|2|H|I|1M|J|@]|K|@]|6|$]]]]

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.

<a href="https://i.stack.imgur.com/bVbhV.png" rel="noreferrer"><img src="https://i.stack.imgur.com/bVbhV.png" alt="enter image description here"></a>

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

<a href="https://i.stack.imgur.com/Vo9nM.png" rel="noreferrer"><img src="https://i.stack.imgur.com/Vo9nM.png" alt="enter image description here"></a>

Hope this helps you.

entityMap|blocks|key|8q6ic|text|您需要为您使用的Office版本下载并安装PIA+(主互操作程序集)。安装后，您可以将引用添加到您的项目中，这些引用将在add+reference对话框中可用。以下是下载它们的链接...|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2enct|Office+2010+PIA|7jgi5|Office+2007+PIA|433fi|Office+2003+PIA^0|0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|I|9|@]|A|@]|B|$]]|$2|C|4|D|6|7|8|J|9|@]|A|@]|B|$]]|$2|E|4|F|6|7|8|K|9|@]|A|@]|B|$]]|$2|G|4|H|6|7|8|L|9|@]|A|@]|B|$]]]]

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...

<a href="http://www.microsoft.com/downloads/en/details.aspx?FamilyID=938fe8ad-583b-4bd7-a345-23250dc15855" rel="noreferrer">Office 2010 PIA</a>

<a href="http://www.microsoft.com/downloads/en/details.aspx?familyid=59daebaa-bed4-4282-a28c-b864d8bfa513&amp;displaylang=en" rel="noreferrer">Office 2007 PIA</a>

<a href="http://www.microsoft.com/downloads/en/details.aspx?familyid=3c9a983a-ac14-4125-8ba0-d36d67e0f4ad&amp;displaylang=en" rel="noreferrer">Office 2003 PIA</a>

entityMap|blocks|key|83u50|text|如果有人在.NET中没有引用。COM+(选项卡)或未在安装了visual的计算机上安装office可以执行以下操作：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|55e5m|下载并安装：|7cinf|Microsoft+Office开发人员工具|d6s0a|从以下位置添加引用：|s70l|C:\Program+Files+(x86)\Microsoft+Visual+Studio11.0\Visual+Studio+Tools+for+Office\PIA\Office15^0|0|0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|K|9|@]|A|@]|B|$]]|$2|C|4|D|6|7|8|L|9|@]|A|@]|B|$]]|$2|E|4|F|6|7|8|M|9|@]|A|@]|B|$]]|$2|G|4|H|6|7|8|N|9|@]|A|@]|B|$]]|$2|I|4|J|6|7|8|O|9|@]|A|@]|B|$]]]]

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

<ol>
<li>Download and install: Microsoft Office Developer Tools</li>
<li>Add references from:

<pre><code>C:\Program Files (x86)\Microsoft Visual Studio 11.0\Visual Studio Tools for Office\PIA\Office15
</code></pre></li>
</ol>

entityMap|blocks|key|6gkgl|text|安装Office+PIA+(主互操作程序集)后，在“.NET”选项卡上添加对项目->+its的引用-组件名称"Office“|type|unstyled|depth|inlineStyleRanges|entityRanges|data^0^^$0|$]|1|@$2|3|4|5|6|7|8|C|9|@]|A|@]|B|$]]]]

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

entityMap|blocks|key|bmjq6|text|现在有一个nuget包可以做到这一点。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|cn0hf|https://www.nuget.org/packages/NetOffice.Core.Net40/|38vlp|首先，我在COM中找不到office，所以试了试这个nuget，它起作用了！^0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|G|9|@]|A|@]|B|$]]|$2|C|4|D|6|7|8|H|9|@]|A|@]|B|$]]|$2|E|4|F|6|7|8|I|9|@]|A|@]|B|$]]]]

Now there is a nuget package for that.

<a href="https://www.nuget.org/packages/NetOffice.Core.Net40/" rel="nofollow noreferrer">https://www.nuget.org/packages/NetOffice.Core.Net40/</a>

First I didn't find office in COM, so tried this nuget and it worked!

entityMap|blocks|key|3ra22|text|您可以使用此NuGet包，除了office程序集之外，它还包括互操作程序集。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|fj6iv|https://www.nuget.org/packages/Bundle.Microsoft.Office.Interop/^0|0^^$0|$]|1|@$2|3|4|5|6|7|8|E|9|@]|A|@]|B|$]]|$2|C|4|D|6|7|8|F|9|@]|A|@]|B|$]]]]

You can use this NuGet package which includes the interop assemblies in addition to the office assembly.

<a href="https://www.nuget.org/packages/Bundle.Microsoft.Office.Interop/" rel="nofollow noreferrer">https://www.nuget.org/packages/Bundle.Microsoft.Office.Interop/</a>

entityMap|blocks|key|ao7hk|text|您是否真的访问了您的引用，并在'Microsoft.Office.Core‘库中添加了一个.NET引用？如果您下载了示例应用程序，答案将是肯定的。如果是这样，请遵循文章中的建议：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|epuum|如果您的系统没有安装Microsoft+Office+Outlook2003，则可能需要更改"OutlookConnector“项目使用的引用。也就是说，如果您收到一个描述为“无法找到命名空间名称'Outlook‘的类型”的生成错误，则您可能没有安装Office+2003。只需展开项目引用，移除受影响的项，然后添加适合您系统的COM库即可。如果有人有一个动态的方法来处理这件事，我很想看看你做了什么。|chnl1|9t9ec|这应该可以解决你的问题。如果没有，请让我们知道。^0|0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|H|9|@]|A|@]|B|$]]|$2|C|4|D|6|7|8|I|9|@]|A|@]|B|$]]|$2|E|4|-4|6|7|8|J|9|@]|A|@]|B|$]]|$2|F|4|G|6|7|8|K|9|@]|A|@]|B|$]]]]

Have you actually gone to your references and added a .NET reference to the 'Microsoft.Office.Core' library? If you downloaded the example application, the answer would be yes. If that is the case, follow the advice in the article:

<blockquote>
 If your system does not have Microsoft Office Outlook 2003 you may have to change the References used by the "OutlookConnector" project. That is to say, if you received a build error described as "The type of namespace name 'Outlook' could not be found", you probably don't have Office 2003. Simply expand the project references, remove the afflicted items, and add the COM Library appropriate for your system. If someone has a dynamic way to handle this, I'd be curious to see you've done.
</blockquote>

That should solve your problem. If not, let us know.

entityMap|blocks|key|eqlpu|text|如果你使用的是Visual+Studio+2012，为了实现这一点并引用Microsoft+office+Core，你必须通过Visual+Studio进行引用，方法是单击顶部菜单的Project、Add+Reference、Extensions按钮并检查Office+now+(14.0)。|type|unstyled|depth|inlineStyleRanges|entityRanges|data^0^^$0|$]|1|@$2|3|4|5|6|7|8|C|9|@]|A|@]|B|$]]]]

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).

entityMap|blocks|key|7l3gj|text|如果找不到Office+2013的PIA，请执行以下步骤：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3nkal|在Visual+Studio中单击解决方案资源管理器|cpr29|右键单击您的项目名称(而不是解决方案名称)|7ojnp|选择'Manage+Nuget+packages‘|64cs8|单击Browse并搜索PIA+2013，选择显示的PIA，然后单击Install.|9sfes|你就完了。^0|0|0|0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|M|9|@]|A|@]|B|$]]|$2|C|4|D|6|7|8|N|9|@]|A|@]|B|$]]|$2|E|4|F|6|7|8|O|9|@]|A|@]|B|$]]|$2|G|4|H|6|7|8|P|9|@]|A|@]|B|$]]|$2|I|4|J|6|7|8|Q|9|@]|A|@]|B|$]]|$2|K|4|L|6|7|8|R|9|@]|A|@]|B|$]]]]

If you are not able to find PIA for Office 2013 then follow these steps:

<blockquote>
 <ol>
 <li>Click on Solution Explorer in Visual Studio</li>
 <li>Right click on your project name (not solution name)</li>
 <li>Select 'Manage Nuget packages'</li>
 <li>Click on Browse and search for PIA 2013, choose the shown PIA and click on Install.....</li>
 </ol>
</blockquote>

And you are done.

entityMap|blocks|key|2jo41|text|当我试图将我的旧c#项目打开到visual+studio+2017版本中时，我也遇到了同样的问题。当你试图打开一个用以前版本的VS创建的项目，并用最新版本打开它时，通常会出现这个问题。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4tf1s|我所做的是，打开项目并从项目中删除引用，然后添加Microsoft+outlook+12.0对象库和Microsoft+office+12.0对象库|dquon|Microsoft+outlook+12.0对象库^0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|G|9|@]|A|@]|B|$]]|$2|C|4|D|6|7|8|H|9|@]|A|@]|B|$]]|$2|E|4|F|6|7|8|I|9|@]|A|@]|B|$]]]]

I faced the same problem when i tried to open my old c# project into visual studio 2017 version. This problem arises typically when you try to open a project that you made with previous version of VS and open it with latest version.
what i did is,i opened my project and delete the reference from my project,then added Microsoft outlook 12.0 object library and Microsoft office 12.0 object library<a href="https://i.stack.imgur.com/hUUQB.png" rel="nofollow noreferrer">Microsoft outlook 12.0 object library</a>

entityMap|blocks|key|e6ql8|text|在我的例子中，当我从Reference->COM添加"Microsoft+Excel对象库“和"Microsoft+Office对象库”时，引用错误就消失了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data^0^^$0|$]|1|@$2|3|4|5|6|7|8|C|9|@]|A|@]|B|$]]]]

In my case when I added &quot;Microsoft Excel Object Library&quot; and &quot;Microsoft Office Object Library&quot; from Reference-&gt;COM then the reference error goes away.

entityMap|blocks|key|3ndic|text|我也有同样的问题。我转到“添加引用”、“COM”选项卡，并选择“Microsoft+Office+15.0+Objetct+Library”。好了，我的问题解决了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|230lc|我的部分代码是：|8pijb|EXCEL.Range+rango;
++++++++++++rango+=+(EXCEL.Range)HojadetrabajoExcel.get_Range("AE13",+"AK23");
++++++++++++rango.Select();
++++++//++++++EXCEL.Pictures+Lafoto+=+(EXCEL.Pictures).HojadetrabajoExcel.Pictures(System.Reflection.Missing.Value);
++++++++++++EXCEL.Pictures+Lafoto+=+HojadetrabajoExcel.Pictures(System.Reflection.Missing.Value);

++++++++++++HojadetrabajoExcel.Shapes.AddPicture(@"D:\GENETICA+HUMANA\Reportes\imagenes\"+%2B+Variables.nombreimagen,
++++++++++++++++Microsoft.Office.Core.MsoTriState.msoFalse,+Microsoft.Office.Core.MsoTriState.msoCTrue,
++++++++++++++++float.Parse(rango.Left.ToString()),float.Parse(rango.Top.ToString()),+float.Parse(rango.Width.ToString()),
++++++++++++++++float.Parse(rango.Height.ToString()));|code-block|syntax|javascript^0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|J|9|@]|A|@]|B|$]]|$2|C|4|D|6|7|8|K|9|@]|A|@]|B|$]]|$2|E|4|F|6|G|8|L|9|@]|A|@]|B|$H|I]]]]

I have the same trouble. I went to Add references, COM tab, an select Microsoft Office 15.0 Objetct Library. Ok, and my problem ends.

part of my code is:

<pre><code>EXCEL.Range rango;
 rango = (EXCEL.Range)HojadetrabajoExcel.get_Range("AE13", "AK23");
 rango.Select();
 // EXCEL.Pictures Lafoto = (EXCEL.Pictures).HojadetrabajoExcel.Pictures(System.Reflection.Missing.Value);
 EXCEL.Pictures Lafoto = HojadetrabajoExcel.Pictures(System.Reflection.Missing.Value);

 HojadetrabajoExcel.Shapes.AddPicture(@"D:\GENETICA HUMANA\Reportes\imagenes\" + Variables.nombreimagen,
 Microsoft.Office.Core.MsoTriState.msoFalse, Microsoft.Office.Core.MsoTriState.msoCTrue,
 float.Parse(rango.Left.ToString()),float.Parse(rango.Top.ToString()), float.Parse(rango.Width.ToString()),
 float.Parse(rango.Height.ToString()));
</code></pre>

Using the example provided in <a href="http://www.codeproject.com/KB/cs/outlookconnector.aspx">codeproject</a> 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?

Microsoft.Office.Core Reference Missing

Visual Studio

 中提供的示例 代码项目 我正在努力找出在哪里可以找到对库Microsoft.Office.Core的引用。 我收到错误消息“无法找到引用的组件'Microsoft.Office.Core‘”。 我只在这个系统上安装了Office2007企业版和Outlook2003。这可能是造成这种情况的原因吗？否则，我应该引用哪个特定的dll？

问缺少Microsoft.Office.Core引用
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