Tony Redmond shows in his blog post on which is the current state of the new feature Outlook roaming signatures. There is still a hiccup and things to consider:
Read the article by Tony Redmond
Your Signature settings are stored in the cloud, so your experience is consistent when you access Outlook for Windows on any computer. This feature has been delayed and will only be available in Beta Channel.
Use this training signature gallery template to create an Outlook email signature that looks professional. Choose from 20 email signatures with this easy customizable template, then add your own logo, photo, website, and social media profiles. Your Outlook emails will all have a polished appearance thanks to this free email signature gallery template.
Using a signature gallery template that is easily accessible, you can design a signature for your email messages. To create your own Outlook signature, just download the template, copy the signature you choose into your email message, and then personalize it.