Databricks' current documentation treats Free Edition and the Azure/cloud-provider-based trial as separate offerings, so the important issue is likely how your email is currently associated in Databricks' identity/account system. check the documentation here.
What I think may be happening
Your sequence is:
- You originally used the email for an Azure Databricks environment.
- That Azure subscription expired on August 8, 2026.
- You subsequently deleted the Azure subscription.
- You are now trying to use Databricks Free Edition with the same email address.
- You cannot log in even after cache clearing/incognito.
- You already opened a support case on August 5.
The key point is that deleting the Azure subscription does not necessarily mean Databricks has removed/de-associated the Databricks identity/account that was connected to that environment. Databricks also explicitly says that cancelling a Databricks plan is different from deleting the Databricks account, and account deletion is something that has to be handled separately. Databricks documentation.
Also, Free Edition authentication is currently limited to email OTP, Google sign-in, or Microsoft sign-in, so it is worth being very explicit about which method you're using. Details here in documentation.