Neither Microsoft Outlook 2011, 2016, 2019, 2021, nor 365 for Mac offer creation of email signatures from HTML. Only a rich-text editing box is provided, without the ability for more customization.
HTML Email Signature - Outlook enhances these capabilities by allowing customized creation of emai...
What's new in version 1.8.3
- Enhanced image preview error reporting with detailed alerts for CORS issues and missing images - Warnings for use of additional, non-recommended HTML tags