Sign an office addin

Dor Ramati 1 Reputation point
2021-03-02T11:52:37.82+00:00

Hi
We have an old c# com excel addin. (not vsto )

We use signtool to sign the addin with extended Sectigo certificate.
But still Excel 2016 complains that the addin is not signed. ( when this option in trust center is enabled)

Is com addins are still supported? if yes - what is the way to sign the DLLS correctly
Thanks
Dror

Office Development
Office Development
Office: A suite of Microsoft productivity software that supports common business tasks, including word processing, email, presentations, and data management and analysis.Development: The process of researching, productizing, and refining new or existing technologies.
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