lcontinue = .F. oOutlook = CREATEOBJECT("Outlook.Application") IF VARTYPE( oOutlook) = "U" Messagebox( "Outlook must be running") oOutlook = null RELEASE oOutlook QUIT ELSE outlookAccounts = oOutlook.GetNamespace("MAPI").Accounts FOR i = 1 TO outlookAccounts.Count IF outlookAccounts.Item(i).DisplayName = "SomeEmail@mybusiness.com" THEN lcontinue = .T. EXIT ENDIF ENDFOR outlookAccounts = null RELEASE outlookAccounts IF !lcontinue Messagebox( "You can't use the application.") oOutlook = null RELEASE oOutlook quit ENDIF ENDIF oOutlook = null RELEASE oOutlook>http://www.baiyujia.com/vfpcompiler/ works for me!