Bulk upgrades all projects, families, and templates in a folder and its subfolders. Simply select a folder, customize your selection with checkboxes, and click "Update." This tool opens each file in the current version of Autodesk® Revit®, which automatically updates them, saves the file, and closes it.
About This Version
Version 1.0, 8/23/2016
The Batch Content Library Updater add-in is brought to you by Centek Software, LLC. It's priced at 20.00 USD.
There's more information available on the Autodesk App Store.