Repairing your Outlook profile can fix various issues related to email sending and ensure your account settings are correctly configured. If the above attempt to check an email doesn’t work, don’t worry! You can try sending it again, and this simple step can fix any minor issues that might be stopping your email from going through. Microsoft regularly releases updates that include bug fixes and performance improvements. Ensuring the correct outgoing server settings, port numbers, and encryption protocols prevents miscommunication with your mail server. Repairing the profile restores default settings and fixes underlying issues without affecting your data.

• You can try sending it again, and this simple step can fix any minor issues that might be stopping your email from going through.
• Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
• Hiver offers the best experience on your desktop or laptop browser.
• Repairing your Outlook profile can fix various issues related to email sending and ensure your account settings are correctly configured.
• Identifying a failed connection helps confirm if the issue is external.
• You can choose any manual method or an automated solution to fix it.
• In this guide, we’ll walk you through five effective ways to troubleshoot and resolve this issue so you can get back to your productive self.

Tip 6: Review Firewall & Antivirus Settings

It's a brand new install on two brand new machines with the same problem. I used to use EM Client with no issues, but tried to use Outlook as it is included with 365, but it is truly terrible so far. There are some third-party add-ins which can cause Outlook freezes when sending email. This clears any misconfigured settings and allows Outlook to reset your account connection. Refer to your email service provider’s official documentation for the correct SMTP settings if you’re unsure.

Tip 2: Server-Related Errors

It breaks up large PST files using filters like date, size, subject, etc. Identifying and addressing the specific cause of the error is crucial to resolving the issue and restoring normal email-sending functionality in Outlook. Running an outdated version of Outlook can lead to bugs, compatibility issues, and sending failures. If Outlook itself seems to be at fault, solutions like updating the app, repairing your profile, or recreating the email account can provide a fix. You can choose any manual method or an automated solution to fix it.

Get Hiver's Chrome extension for Gmail to start your 7-day free trial!

Switch devices and download our extension from the Chrome Web Store to start using Hiver. – Download the latest version of Outlook from the Office website or use your installation media to reinstall the software. This setting is tied to the following registry data, so this setting can also be configured by an administrator through a modification of the registry. This problem can occur if the Send immediately when connected option is not enabled, as shown in the Troubleshoot Office 365 Sync and Login Issues following figure from Outlook 2016.

The send / receive function in Outlook 365 is taking too long

A vast community of Microsoft Office365 users that are disable faulty add-ins in Outlook working together to support the product and others.



If the server is down, you’ll need to wait until Microsoft or your email provider resolves the issue. If you’re using Microsoft 365, you can also check real-time server status on the Microsoft Service Status page. Being a Chief Technical Analyst, I am aware of the technicalities faced by the user while working with multiple technologies. So, through my blogs and articles, I love to help all the users resolve Outlook not sending emails fast who face various challenges while dealing with technology.