For each message, you can delete it, mark it as unread, flag the message, or pin it to keep it at the top of your folder. There might also be a visual alert that a message is unread, has an attachment, or is flagged. See Working with message folders in Outlook.com to learn more about available folders. To show or hide the Folders list, select Show or Hide the navigation pane. Calendar events can be used for your own personal event, or you can invite others to create an in-person or Teams meeting.

📌 You can enjoy the same seamless functionality, including advanced filtering and sorting options, across the web, desktop (for Mac), and mobile on both troubleshooting Outlook startup issues Android and iOS. Organize your mailbox to make it faster in just a few clicks. Trend information is displayed on a line chart to help track improvements over time to see if any taken actions have been effective.

New features like Files and attachment previews let you see your pictures and files without leaving your inbox. And now you can add emojis and GIFs to your messages. Microsoft is committed to providing a high troubleshooting Outlook startup issues level of support for all its services, including Outlook.com, ensuring users can manage their accounts effectively and enjoy a seamless email experience.

I want it to open automatically whenever I open my laptop. Occasionally, classic Outlook tries to run a process in the background. Auto-archive, sending and receiving a very large attachment, or running some of the other mailbox tools can all be done in the background. Check the status bar at the bottom of the screen to see if another process is running.

This helps to pin down the culprit that causes Outlook to freeze. A conflict with Outlook may occur with applications like desktop search, PDF software, or other Microsoft 365 tools that interact with your email account. Outlook not responding may be a frustrating error, but with the appropriate troubleshooting steps, you can often troubleshooting Outlook startup issues resolve the problem on your own. Checking your internet connection and updating Outlook helps to fix this. Moreover, you can manage add-ins and follow the other tips outlined in this blog. In fact, you can get your email client back to its responsive and efficient self, allowing you to regain control of your email communication.

Warning This workaround may make a computer or a network more vulnerable to attack by malicious users or by malicious software such as viruses. We do not recommend this workaround but are providing this information so that you can implement this workaround at your own discretion. Use this workaround at your own risk.If your antivirus software includes integration with Outlook, you may experience performance issues in Outlook. In this case, you can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook.

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.

To resolve that there are several solutions you can use, some common ones are mentioned in troubleshooting Outlook startup issues this flowchart. Sometimes browsers can automatically disable some of the Outlook web features, which can lead to this issue. Follow the below given steps to enable the permissions.

The root cause was the deployment of an incorrect campaign data file, which led to false positive campaign detection. We have since reverted to the right data file and the outbound email flow has returned to a normal state. We also released a new rule that corrected the wrong campaign verdict for all impacted customers during the incident. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

Although the files are very robust, they can sometimes become corrupted and eventually stop working. All versions of Outlook from 2013 and above are configured to automatically receive updates from Microsoft. These updates ensure that the most recent security improvements are downloaded to fix bugs and apply troubleshooting Outlook startup issues patches. If the "Outlook Not Responding" issue did not cause you troubles in the past, it stands to reason to turn off the recently installed add-ins. I usually disable them one-by-one, closing Outlook with each change.

Make sure that the latest updates for Outlook are installed. For more information, see How to install the latest applicable updates for Microsoft Outlook (US English only). Many of these items can be automatically checked by the Classic Outlook Advanced Diagnostics troubleshooter.

If Outlook is set to only download headers, each time you access the email it has to connect to your server to retrieve the body of the email, which takes time. Downloading the troubleshooting Outlook startup issues full email will keep it local so later access is much faster. Delaying non-essential updates, in some cases, allows Microsoft to refine them further before they are installed. We recommend that you don’t have monthly updates enabled for Office 365 ProPlus, as these have been known to cause intermittent issues. The most practical version to use is the semi-annual release. There is a new version of Outlook available, which depending on company policy, can be user activated.