10'000 Hours/Getty Images You can share your Outlook calendar with others via email, to coordinate meetings and appointment times. When you share your Outlook calendar, you can change its permissions, so others can edit it or simply view it. You can share your Outlook calendar with anyone who has an email address, even if they don't use Outlook. Visit Business Insider's Tech Reference library for more stories. Microsoft Outlook is Microsoft's software suite, which bundles together email, contacts, calendars, and more. Over the past two decades, Outlook has become an office essential.