how to fix guid is always showing GUID: {00000000-0000-0000-0000-000000000000} in vsto outlook custom add-in?

Asked Aug 03 '20 at 14:11

Active Aug 03 '20 at 14:11

Viewed 356 times

I have a custom add-in in outlook which always showing me zero value in event viewer GUID: {00000000-0000-0000-0000-000000000000} like this. this is my code :

[Guid("83B5334F-5160-43F3-A9B2-BE1118282F86")]
[ComVisible(true)]
public partial class ThisAddIn
{

 }

asked Aug 03 '20 at 14:11

Muhammad Saleh

What you see in log is [assembly guid](https://stackoverflow.com/q/22516400/1997232), which can be set with `[assembly: Guid("...")]` in AssermblyInfo.cs. It's not set in your case. – Sinatr Aug 03 '20 at 14:18
To get the right GUID you must register the add-in in the Windows registry. It seems you are running the add-in from Visual Studio, not in production, right? – Eugene Astafiev Aug 03 '20 at 14:29
Eugene yes I am running it in debug mode but I also published it and installed it the isssue remains the same. – Muhammad Saleh Aug 04 '20 at 05:27
@Sinatr I am also using it in assemblyInfo.cs but same issue – Muhammad Saleh Aug 04 '20 at 05:35
kindly help me @Sinatr \ – Muhammad Saleh Aug 05 '20 at 06:37
Have you checked [all of those](https://www.google.com/search?q=outlook+addin+guid+site:stackoverflow.com)? I've seen your comment in one of the topics though.. – Sinatr Aug 05 '20 at 06:55
yeah One thing I wanna discuss with you m not seeing my add-in in C:\Program Files\Microsoft Office\root\Office16\ADDINS in this path .. – Muhammad Saleh Aug 05 '20 at 06:57
Why does the null guid matter? – Dmitry Streblechenko Aug 07 '20 at 23:53
I have a client who is requesting me to add a GUID to my add-in. please Dmirty u have already helped me alot on number of ocassions kindly help me once more – Muhammad Saleh Aug 09 '20 at 06:14

how to fix guid is always showing GUID: {00000000-0000-0000-0000-000000000000} in vsto outlook custom add-in?

0 Answers0