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Editorial Team
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Asked: 2026-05-23T06:13:46+00:00

I am trying to build an xll addin for Excel using appropriate framwork downloaded

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I am trying to build an xll addin for Excel using appropriate framwork downloaded from MS website. I am getting the following linker errors:

1>FRAMEWRK.obj : error LNK2001: unresolved external symbol _Excel4
1>FRAMEWRK.obj : error LNK2001: unresolved external symbol _Excel4v@16

I think that these should be defined in XLCALL32.LIB included in the package from MS, but I don’t know how to check it. Moreover, added the folder containing this library to the Additional Library Directories, without luck.

Hence my questions:
(1) How can I check what is in XLCALL32.LIB?
(2) How can I see which files the linker is using to see if my library is actually included?

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1 Answer

  1. Editorial Team

    In your project properties, Under Configuration Properties->Linker->Input, you will see ‘Additional Dependencies’ – these are the files the linker is using. Assuming that _Excel4 and _Excel4v are defined in XLCALL32.LIB (which I think they are), you simply need to ensure that this file is specified in this list.

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