External SharePoint Environment (MOSS External) installation is beginning to reach an unsupported situation and running on WS 2003, SQL 2005 and SharePoint 2007.Further the service depends on a legacy AD solution.
Currently we have the MOSS External environment in Production running on SharePoint 2007. Wanted position would be to have it upgraded to SharePoint 2013 in Office 365. However prefers to have the full solution migrated to Office 365.
Could you please help on this how to migrate the sharepoint 2007 to office 365 2013 cloud what prerequisities i need to this?