As you probably know, when you forward or reply to an email in Outlook, it preserves the format (plain text or HTML) of the original message. However, for styling reasons, many of us prefer to use the HTML format. This article shows how to always reply or forward emails in HTML format using Outlook 2003 – 2013 and the Bells & Whistles add-in.
Bells & Whistles includes an impressive set of convenience features for Outlook that allows you to better configure the way you handle emails. Among these features, there is the ability to make Outlook always use the HTML format when it replies or forwards an email.
How to automatically use the HTML format for all your emails
To make Outlook always use the HTML email format, open the Bells & Whistles Options menu -> Mail tab -> on the Reply Options area enable the option “Set format to” and choose HTML:
Once the above option is enabled, Outlook will automatically switch to the HTML format for all your emails, no matter if you send a new email, reply or forward.