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Editorial Team
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Asked: 2026-05-18T06:05:57+00:00

I use Microsoft.Office.Interop.Excel.dll COM to export excel. I distribute my application to clients. It

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I use Microsoft.Office.Interop.Excel.dll COM to export excel. I distribute my application to clients. It runs well on my computer but on another computer, it cause a error.

I wonder that application package should be included Microsoft.Office.Interop.Excel.dll and the computer must be installed Microsoft Excel. Thanks.

P/S: My application is C# .net 2.0.

UPDATE: I am having a problem. I don’t know the excel’s version on the client computer. So, which version of PIA I will use?

If I build my application with Microsoft.Office.Interop.Excel.dll version 11 (suitable with Office 2003), but what problem will happen if the client computer have Office 2007. It will run or no? How to use only one Microsoft.Office.Interop.Excel.dll which run well on any client computers which have one of office 2003, 2007 or 2010.

Thanks.

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1 Answer

  1. Editorial Team

    Did you deploy the other necessary DLL’s?

    • Interop.Microsoft.Office.Core.dll
    • Microsoft.Vbe.Interop.dll

    EDIT:

    You should see two references in your project: Microsoft.Office.Core and VBIDE. Click on these references and set the property “Local Copy” to true.

    A complete refrence to installing and deploying the PIA can be found here: http://msdn.microsoft.com/en-us/library/aa159923%28office.11%29.aspx

    On that website is also a link to a redistributable file you can include and run from your installer to install the PIA into the GAC.

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