Fill in your details, click Copy signature, then paste it into Outlook's signature box (Outlook steps are below).
Thanks, and talk soon.
New Outlook and Outlook on the web: Settings (gear) > Accounts > Signatures (on the web: Settings > Mail > Compose and reply). Choose New signature, name it VitalityCall, paste, and set it as the default for new messages and replies.
Classic Outlook for Windows: File > Options > Mail > Signatures > New. Name it VitalityCall, paste into the box, and set the defaults.
Outlook for Mac (classic): Outlook > Settings > Signatures, click +, and paste.
Send yourself a test. Some email apps ask recipients to download pictures the first time they see the logo, which is normal. Keep the colors and logo as they are.