Hi Sourabh Jain
Thanks for reaching out to Microsoft Q&A forum support
Based on your description, I understand that you're looking for a Python script to automate the process of downloading attachments from Outlook emails.
As I am forum moderator, I cannot give you the definitive solution due to the limitation of capabilities and accessibility, however, I've done some research and found a helpful guide that addresses your concern. You can refer to the instructions at the following link:
Note: Microsoft is providing this information as a convenience to you. The sites are not controlled by Microsoft. Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. Please make sure that you completely understand the risk before retrieving any suggestions from the above link
Hope my answer will help you, for any further support, let me know in the comment section
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