# Microsoft Azure Blob
If your images are stored at a blob with account ***my\_blob*** in a container named ***my\_container*** and you can access **image.jpg** at the following URL:
//***my\_blob***.blob.core.windows.net/***my\_container***/**image.jpg**
You should enter the data as follows:
All aliases have to be prefixed *and* suffixed by underscores. Please note that all aliases have to be unique for your account - aliases set in the storage sections cannot be used in the [alias](https://docs.cloudimage.io/go/cloudimage-documentation-v7/en/domains-urls/aliases) section.
Your storage container is now accessible by using the alias enter in the *Cloudimage Alias* field:
//your-token.cloudimg.io/**\_\_my-public-blob\_\_**/**image.jpg**
If your Azure Blob container requires authentication, you have to enter your SAS token (found in your Azure panel) in the respective field:
Please keep in mind that the SAS token has an expiration date and you have to generate a new one and update it before it expires. Otherwise, our servers will not be able to fetch your media from the storage.
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