There are a lot of MS Outlook users that are using calendar for their various calendaring activities. However, due to various sync problems especially when calendars are published online and accessed by multiple devices, MS Outlook can become erratic. Though these procedures were done using Outlook 2007 and 2010, they could still be applicable in the newer versions of Outlook. One major problem with MS Outlook calendars is when a Windows Security pop up appears asking you to enter your username and password. And when you attempt to sign in,… Read More