@Atul Kaushal Welcome to Microsoft Q&A Forum, Thank you for posting your query here!
Firstly, apologies for the delay in responding here and any inconvenience this issue may have caused. If you are using Azure File Share, you can mount the share in the using Linux Function app
How to mount Blob storage as a file system with blobfuse
If you still have any question, I would like to work closer on this issue
Hope this helps!
Kindly let us know if the above helps or you need further assistance on this issue.
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