title: How to upload / download all format excel file to azure blob storage Nodejs server side
body: <p>I am trying to upload excel file to azure blob storage</p>
  <pre><code>import { DefaultAzureCredential } from '@azure/identity';
  import { BlobServiceClient } from '@azure/storage-blob';
  
  // Enter your storage account name
  const account = process.env.ACCOUNT_NAME;
  
  // Unique name for the container
  const containerName = process.env.CONTAINER_NAME;
  
  // Azure AD Credential information is required to run this sample:
  if (
    !process.env.AZURE_TENANT_ID ||
    !process.env.AZURE_CLIENT_ID ||
    !process.env.AZURE_CLIENT_SECRET || !account || !containerName
  ) {
    return next(SystemResponse.badRequestError('Azure AD authentication information not provided, but it is required to run this sample. Exiting.'));
  }
  
  const defaultAzureCredential = new DefaultAzureCredential();
  const blobServiceClient = new BlobServiceClient(
    `https://${account}.blob.core.windows.net`,
    defaultAzureCredential,
  );
  
  
  
  // Get a reference to a container
  const containerClient = blobServiceClient.getContainerClient(containerName);
  
  // Upload data to the blob
  const blobName = `${req.files.file.name.split('.')[0]}+${new Date().getTime()}.${req.files.file.name.split('.')[1]}`;
  
  // create blobClient for container
  const blockBlobClient = containerClient.getBlockBlobClient(blobName);
  
  // upload file
  const uploadBlobResponse = await blockBlobClient.upload(`${containerName}${req.files.file.path}`, req.files.file.size);
  </code></pre>
  <p>i am using postman to upload excel file , but , only file path is stored in excel file not , actually content ,how can i solve this issue plz help ?
  &amp;&amp; on downloading file name is coming in response</p>