Outlook Technical Support Phone Number. Call - +1-844-802-2760. How to troubleshoot issues that cause Outlook to crash or stop responding when used with Office 365 -
INTRODUCTION This article describes how to troubleshoot the following kinds of issues in Microsoft Outlook when it's used together with Office 365: Outlook stops responding (hangs). Outlook crashes even though you aren't actively using it. Outlook crashes when you start it. PROCEDURE To help troubleshoot Outlook issues in an Office 365 environment, follow these steps. Step 1: Investigate possible issues caused by add-ins Exit Outlook. Open a Run dialog box. To do this, use one of the following procedures, as appropriate to your version of Windows: If you're running Windows 10, Windows 8.1, or Windows 8, press the Windows logo key+R. If you're running Windows 7, click Start , type Run in the Search box, and then click Run . Type Outlook /safe , and then click OK . If the issue is fixed, click Options on the File menu, and then click Add-Ins ....