
Check the operating system event logs for details of potential application crashes or slow performance.One possible option would be to run a quick repair or online repair of your Microsoft Office installation. If there any issues with your installation, the SARA tool will guide you on how to fix them. For example, to confirm that you have a healthy Outlook installation, run the Microsoft Support and Recovery Assistant (SARA) and choose the Outlook diagnostics section.Ensure that you have a healthy Microsoft 365 Apps installation, whether that be on Windows, MacOSX or a mobile device (iOS or Android).

Solution #Ĭarry out the following steps to optimize Microsoft 365 application performance: This how-to article provides guidance on how to optimize Microsoft 365 application performance.

You observe performance delays or freezes/crashes in any of the Microsoft 365 applications, including the Microsoft Outlook client.
