Choose where to find an image to use as the background for the outlook message:
Get Background Image Not Showing In Outlook
Gif. The blinding white background of outlook 2013 is causing trouble with some of my end users. Outlook for windows doesn't support background images on table cells.
Office Theme Black And No Switch Background Option Microsoft Community from filestore.community.support.microsoft.com
There is a workaround that will allow you to show the background images, which means that if your company or client is particular about outlook rendering, you no longer have to choose between neat designs or flat colors behind your text. I did not look through it too closely, but looks right. Can also use backgrounds.cm to get vml code for background image in outlook if needed.
In addition to the background property, it's important to use vml since these are propriety microsoft tags and not used in anywhere except outlook, vml tags are somewhat tricky to deal with, but there are a lot of.
The options in outlook only change parts of the window, but the message list and preview pane i have used registry monitoring tools to attempt to identify a registry change that does it, but it doesn't stick out. All other browsers will use your background image instead. There are several solutions to resolve the issue with the images not displaying in outlook 2013/2016 and some of the older versions of outlook. Outlook also has the same possibility, but with some restrictions.
