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Customer is using MS 2010, i have built .exe from my laptop where MS is installed with MS 2016.
so there is conflict with MS office Version after building .exe file.
As you said, i have checked the License status and included "excel.llb" from C:\Program Files (x86)\National Instruments\LabVIEW 2019\vi.lib\addons\_office
Regards, Sathish Kumar A Certified LabVIEW Architect (CLA)