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Asked: 2026-05-11T01:53:57+00:00

If i create a program, which in one small out of the way area,

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If i create a program, which in one small out of the way area, uses Excel automation:

will the application fail when Excel is needed

or will the application fail to start?

Update

Let me ask the same question, but in a more drawn out way:

Will the application be usable by

  • 99.9% of the users who never use the feature that requires Excel

  • 0% of the users, since Excel is not installed.

Let me ask the same question another way:

Will an application fail to initialize that references the COM interop dll’s?

Let me ask the same question another way:

Will an application that doesn’t use Excel, but references the COM interop DLL’s fail to start?

Let me ask the same question another way:

Will an application that doesn’t use Excel be usable if Excel is not installed, if that application has a dependancy on the Office Primary Interop dlls?

Let me ask the same question another way:

If my application doesn’t use Excel, does the user have to have Excel installed?

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1 Answer

  1. The code will properly execute until it tries to make a call to the automation libraries, at that time it will generate an exception.

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