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Install this interop on the machine<br />
Microsoft Office 2010: Primary Interop Assemblies Redistributable <br />
<a href="http://www.microsoft.com/downloads/en/details.aspx?FamilyID=938fe8ad-583b-4bd7-a345-23250dc15855" rel="ugc">http://www.microsoft.com/downloads/en/details.aspx?FamilyID=938fe8ad-583b-4bd7-a345-23250dc15855</a>
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Install this interop on the machine
Microsoft Office 2010: Primary Interop Assemblies Redistributable
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=938fe8ad-583b-4bd7-a345-23250dc15855 [http://www.microsoft.com/downloads/en/details.aspx?FamilyID=938fe8ad-583b-4bd7-a345-23250dc15855]

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I hope on installing this .dll will not affect Office 2003 
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I hope on installing this .dll will not affect Office 2003

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No it won't. I have the 3 version installed here ...
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No it won't. I have the 3 version installed here ...

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VS 2008 / Office 2007 - <br />
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&nbsp;&lt;add assembly=&quot;Microsoft.Office<wbr />.Interop.W<wbr />ord, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E<wbr />9429C&quot;/&gt;<br />
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I moved the project from One Computer to another which has Office 2003. As i dont have Office 2007 installed on this Computer, This Computer throws exception for dll - Version 12.0.0.0<br />
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How should i fix this Dll interop issue?<br />
<br />
Error : Error &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Could not load file or assembly 'Microsoft.Office.Interop.<wbr />Word, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e<wbr />9429c' or one of its dependencies. The system cannot find the file specified. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<br />

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VS 2008 / Office 2007 - 

 <add assembly="Microsoft.Office.Interop.Word, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71E9BCE111E9429C"/>

I moved the project from One Computer to another which has Office 2003. As i dont have Office 2007 installed on this Computer, This Computer throws exception for dll - Version 12.0.0.0

How should i fix this Dll interop issue?

Error : Error	2	Could not load file or assembly 'Microsoft.Office.Interop.Word, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified.	


Office Interop Dll's Version 12.0.0.0

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Microsoft Office is an integrated suite of applications that includes Outlook, Word, Excel, Access, PowerPoint, Visio and InfoPath, along with a number of tools to assist in making the individual components work together. Coding within and between the projects is done in Visual Basic for Applications, known as VBA.