Mail and Calendar for Windows 10 Insiders get To-Do button; dark mode for Mail tweaked October 17, 2018 by admin Tweet There’s now a dedicated button in the Mail and Calendar apps for Windows 10 that acts as a shortcut to opening Microsoft To-Do. Meanwhile, the Mail app’s dark theme gets a small makeover. Read more… Neowin Related Posts:The new Outlook for Windows will start to replace…Microsoft now says the new Outlook will replace Mail…Microsoft is now "reevaluating the timing" for…Windows 11 gets a new, unified Snipping Tool,…The old Windows Mail app is working again, but not for long