Deploy via URL recommended Deploy via GPO. Under Email click Signatures. An Email Signature With A Brand Promotion Banner Best Email Signatures Email Signatures Email Signature Generator This name does not appear in the signature in your messages it is only for your reference. How to update signature in outlook mac . Double-click Untitled and then type a name for the signature. Click Download for macOS to download the Cloud Signature Agent to your Mac. Under E-mail click Signatures. Go to the Preferences menu. Under Choose default signature select the account you want to use as your default signature for new messages and. When All Signatures is selected you can add an existing signature to another account by dragging the signature from the middle column to the account in the left column. At the bottom select your new signature as the default for new messages and repliesforwards. It is only for your reference. Under Signature name click the signature you want to ch...