I suppose announcement is list. So Script should be like thisĀ
Export-SPWeb -Identity http://skvsp1:35794 -ItemUrl /Lists/Ann
ouncements -Path \\skvsp1\Farm_Configuration_Backup\Announcements11Feb.cmp -C
ompressionSize 1000 -IncludeVersions All -Force -Verbose
(Visited 1 times, 1 visits today)