Reduce the size of your mailbox and Outlook data file.Close all open programs and applications.We'll start with very basic steps that address the most obvious reasons why Outlook stops working: In this article I will show you easy solutions, tested on my own experience (and working!), to fix issues with Outlook hanging, freezing or crashing. Has it happened to you that you work with Microsoft Outlook as usual, click on a message to read or reply to it, or take some other action you performed hundreds of times in the past, and all of a sudden Outlook won't open and not responding?
The solutions work for Outlook 365, 2021, 2019, 2016, 2013, and earlier versions. Our 9 working solutions will help you fix the 'Outlook Not Responding' issue and bring your Outlook back to life. This article explains how to resolve problems with Microsoft Outlook hanging, freezing or crashing.