The following are the top seven core and key items when closing out a SharePoint project:
1) Document the project and supporting processes
2) Document the lessons learned
3) Create a final management level report of the project (includes all needed overview aspects and metrics)
4) Archive any needed data
5) Have one last technical review of all needed aspects and how they work
6) Document all technical activities
7) Document and have final report of success criteria, support model and ideal usage
