Kindly let me know if it helps you and close your query by marking it as solved so that it can help others in the future. It will help to keep this community clean.
I came across the newly developed app in AppExchange named Drag, Drop & Upload Files to Amazon S3 for this am using the same and its very easy to understand and having advanced features like you can delete/view your files from salesforce, and also provide some additional customization . Please have look: https://sforce.co/34y12sL
Greetings to you!
Please refer to the below links which might help you further.
https://appexchange.salesforce.com/appxListingDetail?listingId=a0N3000000CW1OXEA1
https://aws.amazon.com/blogs/apn/connecting-aws-and-salesforce-enables-enterprises-to-do-more-with-customer-data/
https://www.linkedin.com/pulse/file-upload-from-salesforce-aws-s3-bucket-tanay-das-barman/
https://blogs.absyz.com/2016/06/06/upload-files-in-amazon-s3-from-salesforce/
I hope it helps you.
Kindly let me know if it helps you and close your query by marking it as solved so that it can help others in the future. It will help to keep this community clean.
Thanks and Regards,
Khan Anas
Please have look: https://sforce.co/34y12sL