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Editorial Team
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Asked: 2026-05-30T01:43:46+00:00

Our app added functionality to allow users to import certain information from an excel

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Our app added functionality to allow users to import certain information from an excel spreadsheet (all users will have Office 2007 already).

The development machine has Office 2007 and the developer added a reference to Microsoft.Office.Interop.Excel – all was good.

However, the build machine does not have Office 2007 installed. When the build is run on the build machine, we get the following build error: “The type or namespace name ‘Office’ does not exist in the namespace ‘Microsoft’ (are you missing an assembly reference?)”

I did download the Office 2007 Primary Interop Assemblies redistributable. But when I run that msi on the build machine, I get a messagebox saying “Please Install Microsoft Office 2007 before installing this product”

Is it really necessary to install Office 2007 on the build machine? Is there some other way around this?

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1 Answer

  1. Editorial Team

    Make sure the Microsoft.Office.Interop.Excel assembly is checked-in with the source code and the VS project is referencing it from the source tree and not from GAC.

    After that is done, surely you do not need MS Office to be installed on the build machine, but you would need it for the application to run.

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