I am facing the issue that my VSTO add-in is not displaying the publisher name in Outlook's add-in dialog. It is showing as <None>. I am using VS2013 for development. I tried by signing it but did not work. Can anybody please give some specific steps to do it?
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Georg Jung
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ngupta
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Could this earlier post solve your issue? http://stackoverflow.com/questions/10514576/unknown-publisher-still-appears-on-correctly-code-signed-vsto-addin-built-with-v – Barkered May 15 '15 at 12:58
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That question is about correctly showing the publisher when using the ClickOnce installer. It is kind of related but doesn't solve the problem discussed here. – Georg Jung Jul 14 '16 at 16:52
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Unfortunately showing the publisher name is not possible for VSTO Add-ins. Even if you sign
- all your ClickOnce files with your Authenticode certificate
- your assembly
- With signtool (Authenticode)
- Strong Name with CA-signed certificate
and set all possible publisher/company/...-fields for your assembly and the ClickOnce-manifest, the publisher will not show up in the Add-in dialog. This is due to how VSTO security works as commented by this VSTO team member.
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Georg Jung
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You need to sign the add-in with your own digital signature (not a strong name signature). Did you purchase a certificate from a trusted vendor?
See Introduction to Code Signing for more information in MSDN.
Eugene Astafiev
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I have code signing certificate, even after signing it from the certificate it is not showing – ngupta May 27 '15 at 11:11
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What file did you sign with a digital signature? An add-in loader? – Eugene Astafiev May 27 '15 at 11:59
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