Forward Incoming Messages as Attachment

View Mailbox Rules

Get-InboxRule -Mailbox userid@contoso.com

Enable Forward As Attachment

New-Inboxrule -Name "Forward As Attachment to Manager" -mailbox userid@contoso.com -forwardasattachmentto manager@contoso.com

Disable Inbox Rule

Disable-InboxRule -id userid\InboxruleID

Delete Inbox Rule Entirely

Remove-InboxRule -id userid\InboxruleID