Hi Jay, 

Welcome to Box Community and glad to assist! 

To take ownership of your collaborated folder(s), please reach out to its owner. 

Transferring the folder ownership: 

• Open the appropriate folder.


• You will see a list of collaborators in the right-hand sidebar.


• Click a collaborator's name to to view all the collaborators in this folder.


• Find the collaborator whose access level you would like to modify. You can search by name using the Filter Collaborators search box in the upper right.


• Under the Permissions column, click the user's access level to modify it to "Owner." 

For more details, please see this article. 

Thanks for posting!