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Opened Dec 21, 2025 by Emma Boucher@emmaezc773710
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5 Common Outlook Issues and Troubleshooting Tips

Performance may be decreased if you use the Outlook AutoArchive feature or sync to Outlook with a mobile device. These processes can use a large number of resources. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. If Outlook keeps crashing, you can run the methods to stop Outlook crashing Outlook Diagnostics Tool to scan and fix common issues related to Outlook. Close Outlook and press Window logo + R keys to open a Run dialog box. Select the Include items with the "Do not Auto Archive" checkbox and click ok.

Get Help has troubleshooters for classic Outlook for Windows you can run for many common scenarios, such as Outlook startup or profile setup problems. When you're working with HubSpot Support to troubleshoot the desktop add-in, you may be asked to provide debug logs. When you have the extension installed in Outlook, it will store information in report logs on your computer. These logs are saved each day the extension is used, and your file names refer to the usage date. If your extension isn't functioning as expected, these logs help the support team take a deeper look into what's happening with the add-in on your computer.

The default SMTP port (25) may be blocked by some Internet Service Providers (ISPs) due to spam concerns. Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com methods to stop Outlook crashing account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. If you are having issues sending email, this might be due to validation issues with your Microsoft Account.

Take it one step at a time, and you’ll have Outlook working again soon. There are many methods to repair Microsoft Outlook 365, but none can deal with highly corrupted PST file. In such case, Kernel for Outlook PST Repair tool comes in handy.

Microsoft has released a Windows Hotfix file to remove the contacts folder synced by the Teams app. Some Safari users are unable to add email addresses in the To section, or cannot point the cursor in the To field. Check if your domain is validated according to the new rules of Gmail and Yahoo that will come into effect in 2024. For more detailed information, read our article on SMTP ports.

We will ensure that all information is retained and only contacts with matching information in all fields will be cleaned up. To check if you have received the fix, review your contact list to confirm duplicates have been removed. Add an Outlook.com alias to your account and send email to Gmail users using that alias.

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? Switch your alias to an Outlook.com or Hotmail.com account. Customers using the contact support buttons at the foot of the support pages, or the "email us" links in support Virtual Agent, are unable to open the Help Pane. Check that you have not accidentally blocked the Gmail domain when blocking one Gmail user.

If you are using Outlook on a PC, you can check to see what is currently permitted by your computer or try to reset the Credential Manager and remove any old passwords. The Credential Manager is where Windows stores passwords and login information on your computer. It acts as a vault with specific settings and permissions you can adjust. It could be as simple as an out-of-date version of Outlook's software. Once an update has been run on your system, the bug may be rectified.

Use the classic Outlook for Windows connectivity troubleshooter to troubleshoot Outlook connectivity issues. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies. If one of these resolves your problem, close the app and continue working. Use the classic Outlook advanced diagnostics troubleshooter to create a detailed configuration report. Receive Community updates and events in your inbox every Monday morning. A lot of times, a user will click on something by accident and change their view and be unsure of how methods to stop Outlook crashing to get it back.

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 methods to stop Outlook crashing 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.

Keep in mind this does take a while, and it’s usually best done after the user has left for the day. Check to make sure you’re connected to the internet and logged in to HubSpot. Given the wide variety of methods to stop Outlook crashing Outlook issues that can exist, there is no go-to solution that will fix them all.

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Reference: emmaezc773710/roman1998#6