Outlook add-ons can be the cause of significant performance degradation. See Office 365 - Download/Install Office 365 article for more details. We recommend that you discuss these changes with your local IT administrator prior to making these changes.įor best support and access to latest features of Office/Outlook, please make sure you are using most up-to-date version of Office/Outlook. Important: Some of the information below asks you to make changes to your software and/or usage of them. Below are some steps that may improve performance in Outlook desktop clients when configured with an Office 365 (Exchange Online) account. Heavy calendar/email users have noticed performance issues when using Outlook and other desktop clients.
