View or download detailed usage data like resource name, type, region, and cost via microsoftazuresponsorships.com or the link on the homepage of Founders Hub.
You can also view why from your cost analysis. In the Azure portal, navigate to Cost Management + Billing > Cost Management > Cost analysis. Here, you can analyze your spending patterns and identify any anomalies.
Anomaly detection is available in Cost analysis smart views when you select a subscription scope. You can view your anomaly status as part of Insights.
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Regards,
Abiola