Hi @Hiroaki Fujii
To Upload and download files you can use Azure Storage Explorer Or AzCopy
Azure Storage Explorer is a free tool from Microsoft that allows you to work with Azure Storage data on Windows, macOS, and Linux.
Azure Storage Explorer you can use to move data to and from Azure Blob storage
AzCopy is a command-line utility that you can use to copy blobs or files to or from a storage account.
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