Please go to the below link of the best answer to resolve your query. There are some tools like 'Drawloop', 'File Exporter' and 'Mass File downloader' suggested in this.
You can use sfdx-hardis to export any files you want without installing packages or use a paid application
Instructions are described in this article -> https://nicolas.vuillamy.fr/how-to-mass-download-notes-and-attachments-files-from-a-salesforce-org-83a028824afd
Please go to the below link of the best answer to resolve your query. There are some tools like 'Drawloop', 'File Exporter' and 'Mass File downloader' suggested in this.
https://success.salesforce.com/answers?id=90630000000ZebGAAS
I hope you find the above solution helpful. If it does, please mark as Best Answer to help others too.
Thanks and Regards,
Ajay Dubedi
www.ajaydubedi.com
Instructions are described in this article -> https://nicolas.vuillamy.fr/how-to-mass-download-notes-and-attachments-files-from-a-salesforce-org-83a028824afd