Sometimes, when Outlook isn’t working right, a simple restart can help. When you turn your computer off and on again, Outlook and your computer may steps to fix Outlook not opening solve many problems. As a result, it helps to clear out any issues or things that might be causing trouble, like when you clean up a messy room. So, if Outlook isn’t working well, try restarting your computer first—it might do the trick.

Use the classic Outlook authentication check troubleshooter to resolve classic Outlook password authentication issues. In many organizations, Outlook is one of the most common and core programs that are used from day to day. Many businesses depend on it to keep their operations running, and having it break is a nightmare that usually ends up costing lots of money and causing a lot of frustration. Fortunately, with the right Outlook troubleshooting strategies, many of the most common Outlook problems are quite straightforward to troubleshoot. Below, you will see some of the most common issues that users run into, and what the most efficient way to troubleshoot Outlook is. The error I'm encountering is after I've successfully installed plugins and log in to Microsoft account.

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. For more information, see You may experience application pauses if you have a large Outlook data file. 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.

Upgrade to Microsoft Edge to steps to fix Outlook not opening take advantage of the latest features, security updates, and technical support. The settings in the Send/Receive Group windows let you customize the synchronization rate of the new group. To investigate any reported issues, dashboard filters, and drill-down investigations can be used to narrow the focus and take remedial action. Since the repaired PST file has no errors or inconsistencies, Outlook should perform well and run stable and fast. An upgraded hardware should improve Outlook performance considerably.

The Microsoft community suggests it to be a Sarfari issue. You can also add the secondary connected accounts (Gmail, Yahoo, etc.) in Outlook.com as additional accounts in the Outlook profile. Our goal is to give you the answers to fix the most steps to fix Outlook not opening common issues Outlook users face. Bookmark this page so that whenever you come across an error like your Outlook calendar not syncing, or a corrupted file, you'll have a place to start troubleshooting.

The information below covers issues with the Outlook desktop add-in pertaining to installing, updating, tracking and notifications, and obtaining debug logs. Get Help has troubleshooters for classic Outlook you can run for many common scenarios. If a troubleshooter is available for your issue, select Start to run that troubleshooter. Use the classic Outlook startup troubleshooter to resolve issues when classic Outlook for Windows is unable to start. Despite its popularity, Outlook is still software, and like all software, bugs, issues, and errors can occur steps to fix Outlook not opening at any time. Given Outlook’s popularity, we’ve decided to create a Hub especially dedicated to this particular topic where we will be providing you will all manners of troubleshooting guides.

Until you can install the Windows Update fix release, you can set a registry key that will cause Outlook to stop using the local Windows Search service. When this registry key is set, Outlook will use its own built-in search engine. The built-in search will display the message below to indicate it is not using the Windows Search service. The issues documented in this section have been reported after installing the recent updates listed below. We're investigating the issues and will update this page when a fix is available.

Compatibility mode is suitable for older software with Windows 10 that fail to run normally. Thankfully, Microsoft Outlook is fully optimized for Windows 10, meaning Compatibility mode is not necessary. You might be wondering what happens when you switch on the Compatibility mode for Outlook. For this reason, you should always turn off Compatibility mode for Outlook. If you do everything properly, Outlook will open when you use the new profile. This goes to prove that the problem came from your original Outlook profile.

Check the status bar at the bottom of the screen to see if another process is running. If so, wait a short time (usually two or three minutes) to see if Outlook starts working again. 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. Use the classic Outlook connectivity troubleshooter to resolve intermittent connectivity issues.