We can teach you how to repair a corrupted file, but to prevent it from happening to other files, we recommend investigating the root cause of the corruption. In that case, you may need to take harsh steps to remove it, as leaving it unattended can harm system files and exploit sensitive information. If you’ve tried everything and Outlook still isn’t working, it might be time to use a trusted and automated Outlook data file repair tool. You can create a new Outlook Data File and drag the items in the Lost and Found folder into the new data file. After you've moved all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder.
However, you can repair the Outlook data file (PST) using ScanPST.exe, also known as the Inbox Repair Tool. You can follow the below solutions to troubleshoot and resolve the Outlook running slow issue. This guide highlights the causes behind these issues and lists troubleshooting methods to resolve the "Outlook is running slow on Windows system" issue. If you are using an Exchange account in Cached mode, compacting your OST file may help improve performance.
From time to time Microsoft Outlook adopts quite an annoying habit to hang around even if the user persistently attempts to shut it down. This problem existed in earlier versions and it may occur with recent Outlook 2013 and 2010. If your user profile or folder is stored on a network drive, Outlook will be step-by-step Outlook troubleshooting slower to respond and might become a hanging outlook problem. Your user profile is a collection of settings that let you customize the computer appearance and performance. It contains settings for desktop backgrounds, screen savers, sound settings, and other features. User profiles help make sure that your personal preferences are used when you log on to Windows.
Also, if you placed the corrupted PST file in your In-Place Archive folder, it may trigger an automatic repair attempt. But what happens if these files become compromised, and you can no longer access their information? Not all hope is lost, as Microsoft has some built-in tools to help you recover it, which we will show you how to do in this guide.
If the network is performing slowly, Outlook must wait for read and write operations to the AppData directory to finish. To manage your mailbox by using the AutoArchive feature, see AutoArchive settings explained. We recommend that you move several items in your larger folders to separate folders, or that you archive those items by using the AutoArchive feature. Make sure that the latest updates for Outlook are installed.
While the above-stated methods occasionally make some difference, they are, however, adversely tainted by significant limitations. Hold the Ctrl key and drag-and-drop the items into the folder of step-by-step Outlook troubleshooting the new PST file. Name the new PST file, choose a save location, and click 'OK'. After the repair, a 'Repair Complete' popup will appear