Note Many of these items can be automatically checked by the Microsoft Support and Recovery Assistant (SaRA). To start the automated checks, follow these steps: To-Do Bar and Online mode with Exchange server Many Really Simple Syndication (RSS) feeds Windows Search or Windows Desktop Search indexing Your AppData folder is redirected to a network location Large Personal Folders files (.pst) or Offline Folder files (.ost) The performance issues may be caused by one or more of the following conditions:Ībsence of the latest service pack and updates for Outlook Outlook seems to stop responding for a long time. You may experience one or more of the following performance issues in Outlook: This article describes how to troubleshoot performance issues in Microsoft Outlook. If you implement this workaround, make sure that you follow any appropriate additional steps to help protect the computer. However, before you make these changes, we recommend that you evaluate the risks that are associated with implementing this workaround in your particular environment. You can make these changes to work around a specific problem.

Important This article contains a section that shows how to help lower security settings or how to turn off security features on a computer.

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Outlook 2019 slow to open