What is the maximum file size support for Azure Storage blob service API

Question

What is the maximum file size support for Azure Storage blob service API

Get Blob API - https://learn.microsoft.com/en-us/rest/api/storageservices/get-blob?tabs=microsoft-entra-id

Answer 1

Hi Ron Weasley - Thanks for reaching out over Q&A Forum.

You can refer to the below link for scalability targets of blob storage and the storage account respectively and shall has the required details.

https://learn.microsoft.com/en-us/azure/storage/blobs/scalability-targets

https://learn.microsoft.com/en-us/azure/storage/common/scalability-targets-standard-account?toc=%2Fazure%2Fstorage%2Fblobs%2Ftoc.json&bc=%2Fazure%2Fstorage%2Fblobs%2Fbreadcrumb%2Ftoc.json

Hope that helps!

Let me know if there are any further queries/concerns, will be glad to assist.

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Answer 2

@Ron Weasley Welcome to Microsoft Q&A Forum, Thank you for posting your query here!

The maximum file size supported for Azure Storage blob service API is approximately 190.7 TiB for block blobs, which is achieved by combining up to 50,000 blocks of 4000 MiB each

For append blobs, the maximum size is approximately 195 GiB, with a limit of 50,000 block.
For page blobs, which are designed for scenarios where random read-write access is required, the maximum size is 8 TB. Page blobs are composed of 512-byte pages and can be up to 8 TB in size.

https://azure.github.io/Storage/docs/application-and-user-data/basics/azure-blob-storage-upload-apis/

It is important to note that the maximum file size supported by Azure Storage Blob Service API may also be affected by other factors, such as the available network bandwidth and the size of the data being transferred.

Please let us know if you have any further queries. I’m happy to assist you further.    

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Please do not forget to "Accept the answer” and “up-vote” wherever the information provided helps you, this can be beneficial to other community members.