Use Azure Data Factory to orchestrate the data flow and use its data transformation activities to convert the data into a unified format.

Use Azure Databricks to read the data from the sources, perform data format conversion using its built-in functions, and write the results to the Delta Lake.

Use Azure SQL Data Warehouse to store the data and perform data format conversion using T-SQL.

Use Azure Cosmos DB to store the data and perform data format conversion using its built-in support for multiple data models.