Hi,
I think it might be interesting to implement this new feature for CB Explorer for Azure. Currently, it seems to be only available through code, not even the portal. More info:
https://azure.microsoft.com/es-es/blog/soft-delete-for-azure-storage-blobs-now-in-public-preview/
https://docs.microsoft.com/en-us/azure/storage/blobs/storage-blob-soft-delete