Check the Automatically include my signature on messages I send box to append your signature to all outgoing emails including replies and forwards.You can modify the formatting with the mini toolbar. In the text box, create your signature.Under Mail > Layout, select Email signature.Click the settings gear menu in the upper right corner.To create a signature in the Outlook Web App: If you’ve chosen not to automatically add signatures to your Outlook 2013 emails, you can insert a signature manually by selecting the Insert tab in an email window, selecting Signature, and choosing the signature you’d like to insert. You can also leave this option as (none). Using the drop-down menus, select the signature you want to appear appended to new messages and/or replies and forwards.In the Choose default signature section, select the email account to associate with the signature, if applicable.The first signature you create will be called “default.” To rename, click the Rename button and type a new name for the signature.You can modify the formatting and click the icons to add images and links. In the Edit signature field, create your signature.In the Mail section, click the Signatures… button.To create an email signature in Outlook 2013: How To Create Office 365 Email Signatures However, if you copy an image file from another source and paste it into your signature, it will appear.

Note that the Outlook Web App does not provide you the option to include an image file with your signature. Outlook 2013 allows you to create one default signature and multiple alternative signatures, while the Outlook Web App only provides the option to create and use one signature. Signatures created in the Outlook Web App will not be able to be used in Outlook 2013 and vice versa if you use both platforms, you must create a signature in each. In Office 365, individual users can create and add signatures that can be added automatically to all outgoing emails or applied only to specific messages.

If you use a pre-made signature in your work or personal emails, you likely include your contact information, a job title and/or company name, and perhaps an image or logo. All of these elements convey a lot about the sender and the company, so they should be useful, informational, and visually attractive.

Email signatures can be a powerful tool, since they contain information that goes out with every new email sent.

Outlook 365 signature setup