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Step 1: Investigate possible issues caused by add-ins
A lot of times, a user will click on something by accident and change their view and be unsure of how to get it back. Sometimes when a user tries to search in Outlook, it either returns incomplete results, or returns nothing at all, even if you can see the email normally. Most times, this is caused by a corrupted search index, which you can rebuild. Keep in mind this does take a while, and it’s usually best done after the user has left for the day. Sometimes you’ll open Outlook and then for no apparent reason, it will freeze or shut itself down.
Common Outlook Error Codes and Troubleshooting Guide
If you have Outlook in your startup folder, remove the shortcut from the startup folder. You may see one of the following errors in a pop-up message on your screen. If you are unable to connect or are prompted for your password repeatedly attempt the following options.

Have you tried to create a new Outlook profile?
Microsoft has its own tool for automatically scanning and correcting Office when things go awry. You can read about it and then run the Microsoft Support and Recovery Assistant to see if that helps. It can automatically diagnose issues, troubleshoot, and fix problems with Outlook. A more general version that can also fix Office, Microsoft 365, and other Outlook problems can be found here. Ashila is a passionate researcher and writer specializing in diverse technologies. With a keen interest in industrial growth and technical innovations, Ashila leverages her expertise to create insightful content that bridges technology and business development.
View Settings

You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally. The settings in the Send/Receive Group windows let you customize the synchronization rate of the new group. Make sure Outlook is updated to the latest version to benefit from bug fixes and performance improvements. Ensure all IMAP/POP3 and SMTP settings are up to date as per your provider’s documentation. If you ran SaRA in Step 3, and you created a new profile, you can skip all of Step 4. This option could be useful if you constantly have to wait for Outlook to rebuild its data file when you restart.
- To install the latest Windows and Office updates, click the link below.
- There are quite a few different causes for this, but one of the most common is a defective add-in.
- Use this workaround at your own risk.If your antivirus software includes integration with Outlook, you may experience performance issues in Outlook.
- If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen.
- Our relationship to the Microsoft Partner Network allows us to provide competitive pricing and authentic software and support, all with a much-needed human element.
Does classic Outlook stop running or refuse to start?
After finishing one step, if it does not resolve the issue move on to the next. If Outlook Desktopfails to connect, try these steps before escalating the issue to theETS Help Desk. Power for providing "An Outstanding Customer Service Experience" for its Assisted Technical Support. J.D. Power 2024 Certified Assisted Technical Program, developed in conjunction with TSIA.
How to run troubleshooter on Outlook?
Available classic Outlook troubleshootersStart the Get Help app.In the Search bar, enter Set up Microsoft 365 email in Outlook.Follow the steps provided.
You might need to set Windows Update to automatically download and install recommended updates. Installing any important, recommended, and optional updates can often correct problems by replacing out-of-date files and fixing vulnerabilities. To install the latest Windows and Office updates, click the link below. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. If Outlook shows Disconnected at the bottom of the status bar, this issue may occur due to improper Autodiscover resolution.