How to troubleshoot performance issues in Outlook

Microsoft Outlook is one of the most widely used email clients globally, especially in professional and business environments. Outlook also comes with strong built-in security features, making it a reliable choice for managing communication and workflow. We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook. Some customers may not be able to see their Profile, Account or Sign Out options when selecting their picture on the top toolbar.

There are different steps to take if you are on Windows (you’ll need to locate the Search Index) or Mac (use Spotlight). First, let’s read about how to check if Outlook is indexing on Windows. A laggy search is one of the most common Microsoft Outlook Fix Blog Outlook problems. It may arise at different times, depending on your platform or device. Sometimes, it may be your Outlook app itself that is damaged.

For more information, please see Access to Microsoft 365 email and applications by audience. For information about Microsoft 365 storage quotas, please see Microsoft 365 storage quotas and information. If you have enabled Online Archive Mailbox, archive items to the Online Archive Mailbox.

To adjust the number of days of data that are synced for shared folders, add the following registry values. These keys don’t clean up older Calendar content that was already downloaded. However, this method can be effective if you’re willing to clear offline items and resync your Calendar (instead of bulk deleting old items). If you already have the Calendar in the profile, you have to clear the Offline Items after you set the registry keys and restart Outlook. To fix performance issues that affect your Calendar, try the following methods.

We appreciate Outlook Fix Blog your interest, but our solution is currently designed for larger enterprise organizations. While we can’t work together directly right now, we’re here to support your growth with our extensive library of free resources and content. Automatic replies are a standard feature in many email systems, not just Outlook, and are widely used in professional environments to manage communications efficiently. – You can set a specific time range for the replies to be active or leave it open-ended until you manually turn it off.

Or, you can disable any antivirus software add-ins that are installed in Outlook. Be aware that if you are connecting to an Exchange Server mailbox, your mailbox or your email messages are already being scanned by antivirus software on the server. Optionally, if you have a Microsoft Exchange online archive, you can move items to that archive or create retention policies to automatically dispose of older items. For more information, see You may experience application pauses if you have a large Outlook data file. These issues might occur if a mailbox contains Outlook Fix Blog lots of folders or there are lots of items in any one folder. There’s no hard limit to how many folders a mailbox can contain or how many items a folder can contain.

Add-ins are extensions that you can install to enhance Outlook’s functionality and unlock additional features, like CRM integration. But these add-ins can sometimes result in compatibility issues, especially if they’re not up-to-date or poorly coded. A conflicting add-in might cause Outlook to freeze, crash, or not open at all.

When Microsoft Outlook is installed on your computer, numerous files, registry entries and configurations are set up to make sure the program runs smoothly. If any of these components are missing or corrupted during installation, Outlook may fail to open or could crash unexpectedly. You can determine if it’s corrupted by creating a Outlook Fix Blog new profile and changing which profile is used when Outlook starts.

This lower rank is due to inconsistent help on social media, link-heavy responses, long queue times over the phone, and excessive automation. On TrustPilot, the Microsoft support is rated 1.2 out of 3,500+ customer reviews. Outlook customer service is available 24/7 through the Microsoft Support virtual assistant. For direct contact with a support agent, hours may vary by region and service type. Typically, live support is accessible during standard business hours, Monday through Friday. Learn how to get more out of your connection with Outlook.com.

Incorrect system date or time can prevent Outlook from loading profiles, especially in environments where authentication relies on accurate timestamps. Even a difference of one hour can block Outlook from starting. If I run an online repair and reboot her PC it Outlook Fix Blog will usually work for a day or two.

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 Outlook Fix Blog preferences are used when you log on to Windows. If your antivirus software includes integration with Outlook, you may experience performance issues. You can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook.