A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.
Dear Kristine A.,
Good day! Thank you for posting to Microsoft Community. We are happy to help you.
As per your description, it seems that you are trying to transfer documents from a SharePoint site that will be retired to a new page in a more efficient way in SharePoint Server 2016.
If the understanding above is right, we'd love to help, since our category focus on general troubleshooting and built-in features in SharePoint Online, we’d suggest you go to SharePoint Server - Microsoft Q&A to post a new thread, which is specific channel to handle such situation. You may use SharePoint Server tag when asking question. The engineers in related team will focus on your specific scenario and provide specific suggestions. They also have enough environment to help you test it.
At meantime, we've found this similar thread in that community and hope it can help: Transferring documents and folders from old Sharepoint site to new sharepoint site. - Microsoft Q&A.
Also, we welcome community members to share ideas about the situation if one has related experiences.
If the scenario above is not consistent with yours, you can also post back and point that.
Your understanding and patience will be highly appreciated. I hope that you are keeping safe and well!
Sincerely,
Rhoda | Microsoft Community Moderator