Can anyone tell me if EBS is officially supported in Sharepoint 2007?

I think this link will help you http://nevertalkwhenyoucannod.typepad.com/nevertalk/2008/11/sharepoint-archiving-3---ebs-vs-rbsthe-ultimate-grudge-match.html Regards JoaoMVP Office Development, MCP, MCTS SharePoint 2010 Development

It is not "officially" supported in SharePoint 2007; it is in 2010. Here's a decent post about it: http://weblogs.asp.net/sharadkumar/archive/2009/05/16/external-blob-storage-ebs-for-sharepoint-2007.aspx

Thanks for the answers. Joao's article was more in depth but they were both a good read.