We recommend testing your account with the free version of this software, Syncronicity, before purchasing.Syncronicity Pro is the ultimate app for professionals who use shared calendars with their organization's Exchange or Office 365 email system. This includes Office 365 calendars, Outlook Web App shared calendars, and shared calendars you access with Microsoft Outlook.This does NOT include Hotmail, or Gmail.Features: Familiar calendar interface with month, list, week, and day views Easy, quick setup with Exchange Autodiscover and address book lookups Calendar overlay! View all calendars at once, just a single calendar, or create a custom view Create and delete events directly on calendars to which you have write access View all event information, including notes View events for calendars with only freeusy or limited access Great calendar management features: color code your calendars, easily manage your calendar list, enable write access, add to custom view...Simply enter your Exchange e-mail login info, add your calendars, and you're up-to-date with your colleagues' latest events. Important: Syncronicity uses Exchange 2007 or 2010 web services (i.e. Office365, Outlook) to access your shared calendars. Most modern Exchange systems will have this. If you're not sure this is available for your organization or account, please check with your help desk or IT support staff.We are happy to provide support!You can contact us using the in-app support feature, directly using several options on our website: eightbitapps.com, or feel free to e-mail us directly at email@example.com. We can't respond to reviews. Please let us try to help you by contacting us if you experience any problems.