@OM
It sounds like you might have a static website hosted on Azure storage. Please correct me if I am wrong here. If so then to enable HTTPS you will have to use Azure CDN because Azure Storage does not yet natively support HTTPS with custom domains. see Map a custom domain to an Azure Blob Storage endpoint for step-by-step guidance.
If you want to access the website via HTTP then you will need to disable Secure transfer required.
If this is not how you are hosting the website please clarify what services you are using in Azure so I can get you the proper support
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