Documentation for SharePoint Online Bulk File Uploader
Office 365 Bulk File Upload App is a SharePoint bulk upload tool with a convenient user interface, allowing to perform bulk uploads to Office 365 libraries and list items. With SharePoint Bulk Files Uploader, user can set the maximum file size and extensions available for upload. You can add custom metadata to files and enable/disable the ability to overwrite existed files. Virto Office 365 Bulk File Upload App is a part of Virto ONE Cloud.