backup folders from BOX on OneDrive

Hi Ron, 

Welcome to Box Community and glad to assist! 

You will need to download your contents off of Box to move it to another source. 

If your users need to do occasional downloads or back up of their Box contents, we recommend using FTP.

• FTP is intended for initial bulk uploading and occasional bulk downloading of files from your account. FTP is available to business and enterprise accounts — except trial accounts — for bulk migration of data. It is not available for personal accounts (free or pro).

More information can be found in this article on how to connect to your Box via FTP.

• https://support.box.com/hc/en-us/articles/360043697414-Using-Box-with-FTP-or-FTPS

Hope you find this suggestion useful!