

Open a PowerShell window and connect to Exchange Online. A message box is displayed prompting you to confirm to remove the selected app.ĭeleting all signatures from the end-users mailboxes To delete all signatures from your end-users mailboxes:.

Then from the Properties window, click Delete to remove the selected app. From the left-hand pane, under Manage click Properties.Select Exclaimer Cloud Signatures for Office 365 Outlook Web:.From the left-hand pane, under Manage, click All Applications.Navigate to Azure Active Directory > Enterprise applications:.

