Some versions of Microsoft Outlook (we've confirmed this issue in Outlook 2007, 2010 and 2013) display bullets almost invisible. 

✋This is a known issue in the way Outlook renders lists in table layouts. We're hoping this will be fixed in the next version of Microsoft Outlook. We're still looking for a workaround which will solve this specific issue without breaking the layout on other clients.

Outlook 2011 or all versions before Outlook 2007 - No issues with bullet display

Outlook 2007 - barely visible bullets

Outlook 2010 - barely visible bullets

Outlook 2013 - barely visible bullets

Learn More:

Did this answer your question?