CodeTwo Email Signatures for Office 365 comes with a separate tool, the Editor (Fig. 1.), to help you design signatures, disclaimers and other email sections. To learn about all of the Editor's features, see CodeTwo Editor - User's manual.
You can launch the Editor from the Manage Signatures App, by clicking the Edit signature button on the Design tab (Fig. 2.).
User AD attributes & Tokens - a detailed information on how to configure custom AD attributes to use them in the editor.
Template library - learn how to use the signature templates provided with the program or create new templates.