SharePoint Online to SharePoint Online migration tool provides permission option, with this option you can mapping between source & destination users. SysTools SharePoint migration tool also supports file migration by their version, if you want to migrate file by version then you have enter file version which you want to move. This SharePoint migrator software also supports SharePoint online content to Office 365 tenant SharePoint migration, you just need to enter Sharepoint destination site URL & login credential. It will migrate Office 365 SharePoint site, site collection to another SharePoint easily. The tool provides incremental SharePoint site data migration. It generates an export report of SharePoint to SharePoint migration. To manage SharePoint site content SharePoint Online to SharePoint Online migration tool provides Create New, Overwrite option. Apart from this, SysTools SharePoint migration tool provides an easy graphical user interface, you do not need an expert to perform SharePoint Online to SharePoint Online migration with this software. Demo edition is available, you can download & try this trail edition free of cost.