This message is commonly displayed when Windows is not able to communicate quickly enough with a program running on your computer. One of the most common problems that users often face is the 'Outlook not responding' error. Like any other software, Outlook is also susceptible to bugs and problems, and these problems when they occur are usually frustrating and in most cases stop you in your tracks. Microsoft Outlook is certainly one of the most flexible 'Email Client'' tools available today and this might understandably be the reason why organizations all over the world use it to manage their emails. This is in contrast to ''Webmail'' which only allows users to access emails via web browsers. These classes of software are programmable email tools that are installed on your computer to send and receive emails. Microsoft Outlook belongs to the class of software referred to as ''Email Clients''. Part 1: Why Is Outlook Not Responding? Part 2: Eight Common Solutions to ''Outlook Not Responding'' Part 3: How to Fix Specific Not Responding Issues? Issue 1: Outlook Keeps Crashing Issue 2: Outlook Stuck on Process Issue 3: Scanpst File Not Responding Part 1: Why Is Outlook Not Responding?