Troubleshoot Microsoft Outlook Running Slow or Locking Up
Summary: This article provides information about troubleshooting Microsoft Outlook performance issues on your Dell computer.
This article applies to
This article does not apply to
This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
Affected Products:
- Microsoft Outlook
- Microsoft Outlook 365
Cause
When the Outlook program suffers from performance issues, there are several issues that may be the cause.
- A corrupt or damaged PST File
- An Outlook Add In, not functioning
- A Corrupted Outlook profile
- A Problem with the Outlook application
Resolution
Caution: These instructions are aimed at Advanced Users, be careful when following these steps as potential loss of data and corruption of the Windows operating system can occur.
- For general performance troubleshooting for Microsoft Outlook, reference the Microsoft article, How to troubleshoot performance issues in Outlook
.
- To browse specific Microsoft fixes for recent Outlook issues, reference Microsoft article, Fixes or workarounds for recent issues in Outlook for PC
.
- For Microsoft 365, reference Outlook performance is slow in the Microsoft 365 environment
.
- For Office service availability, check the status at Office Service Status
Affected Products
Inspiron, Latitude, Vostro, XPS, Legacy Laptop Models, Fixed WorkstationsArticle Properties
Article Number: 000138178
Article Type: Solution
Last Modified: 23 Apr 2025
Version: 11
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