Navigation Pane - Please show custom styles that have outline level
Thank you for adding the navigation pane in Word Online.
The desktop version shows paragraphs that have an outline level other than the built-in heading styles.
The Online version only shows the built-in heading styles.
See this thread https://answers.microsoft.com/en-us/msoffice/forum/all/word-online-only-default-styles-heading-1-and-2/cb3ef474-2173-4d09-8cea-30792b25fbb9?auth=1&rtAction=1542985698052
Christoph Pacher commented
Please bring the online navigation pane to the same state as the desktop