Mark the replies as an answers if they help and unmark them if they provide no help. Hope this helps and thanks for your great understanding. This will not break the blue line but it does allow you to make your in-line replies stand out from the original message. Comments Amanda ón Februat 3:01 pm This is fantastic, those awful lines have been really bothering me for the past 6 months. There are several workarounds though Use the Mark my comments with option. Color of quote level menu Here you can choose the line color for the first three levels of quotation. You might want to have a look at "Conditional Formatting", which allows you to customize how different messages appear in your Inbox message list based on criteria that you set: When you are using Outlook 2007, Outlook 2010 or have Word set as the email editor in Outlook 2003 or previous, then you cannot break this blue line. For instance the Blue Fonts in the email windows, I'd just like to revert back to black. >I'd like to pic the color combos that work best for my visual acuity issues myself. To the product group for consideration for a future product or update. We've collected the suggestion and submitted it I know that there are only four themes in Office 2016 (Colorful, Dark Gray, Black and White), which is not so satisfactory to some users. >Don't mean to be picky, but when you are staring at a screen all day as an IT person, glaring screens just scream headache The primary reason that your carefully designed Outlook HTML e-mail templates might not always look exactly the same in an e-mail body as it does inside your browser, is because since Outlook 2007, the Microsoft Word 2007 rendering engine has been used to parse and render HTML inside Outlook e-mail messages.