How to Clear Outlook Cache in Office 365: A Step-by-Step Guide

Learn how to efficiently clear the cache in Outlook 365 to improve performance. Follow these simple steps for a smoother experience.

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Clear Outlook cache in Office 365 by following these steps: 1. Close Outlook. 2. Navigate to `%localappdata%\Microsoft\Outlook` in File Explorer. 3. Delete the `.ost` file. 4. Restart Outlook to recreate the cache. This helps resolve performance issues and ensures updated content.

FAQs & Answers

  1. What is the Outlook cache? The Outlook cache stores temporary data to speed up access and improve performance, but it may need clearing if it becomes corrupted.
  2. Why should I clear my Outlook cache? Clearing the Outlook cache can help fix performance issues, remove corrupted files, and ensure you access the most up-to-date content.
  3. How often should I clear my Outlook cache? It's advisable to clear your Outlook cache when you experience performance issues or if you frequently encounter errors while using the application.
  4. Can clearing the cache delete my emails? No, clearing the cache does not delete your emails; it only removes temporary files that help Outlook run more efficiently.