Getting error while installing addins in word or excel not valid addins

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Getting error while installing addins in word or excel not valid addins
Getting error while installing addins in word or excel not valid addins  
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Prakash Bhandary




Posts: 4
 Joined: 2026-07-30
Dear Sir,

We have donwloaded the excel, word file code from example and try to build and install on word and excel. it is giving same error it is not valid addins.

I have tried to create new project same issue

We are using vs 2026 .

Thank you in advance
Posted 30 Jul, 2026 11:55:54 Top
Prakash Bhandary




Posts: 4
 Joined: 2026-07-30
This is working .
Posted 01 Aug, 2026 09:47:04 Top
Andrei Smolin


Add-in Express team


Posts: 19232
 Joined: 2006-05-11
Hello Prakash,

Thank you for letting us know.

Regards from Poland (GMT+1),

Andrei Smolin
Add-in Express Team Leader
Posted 04 Aug, 2026 07:59:44 Top