What is the difference between PNG and png image?

Monteiro, Luiz 1 Reputation point

I have images saved in containers on Azure and I can't read the PNG images (uppercase), png (lowercase) images are read normally.


Azure Cognitive Services
Azure Cognitive Services
A group of Azure artificial intelligence services and cognitive APIs that help build intelligent apps.
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  1. romungi-MSFT 30,211 Reputation points Microsoft Employee

    @Monteiro, Luiz From QnAMaker documentation the image should be a public URL to be displayed in test pane or in the client application.

    Linked images must be available from a public URL to be displayed in the test pane of the QnA Maker portal or in a client application. QnA Maker doesn't provide authentication for content, including images.