Unable to upload xml manifest under certain account

Evgeny Chernyshov 1 Reputation point
2022-06-22T07:33:03.913+00:00

213600-manifest-1.xml

Hi I am developing a powerpoint add-in, and it is mostly ready.
But I faced strange issue when showing add-in to someone else.

When I upload manifest.xml file through Insert->Add-ins->Upload My Add-in
It works from my own account w****@Stuff .com.

But when I switch to another account j***@n****.co - add-in upload fails silently, without any error message.

Here is a screencast of two sessions of add-in upload in both accounts
https://drive.google.com/file/d/1F9_76yDZsXnwH2Xz3OJhWz7rRoM9h0P9/view?usp=sharing

And also I have attached my manifest.xml file

Can you please point me how these two accounts are different? Why could upload does work under one and does not under another? How are these accounts different? Could there be any specific add-in related settings?

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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