Incorrect Outlook settings can also be one of the reasons behind Outlook synchronization errors. The Support and Recovery Assistant, a tool provided by Microsoft, can identify and resolve common Outlook problems. It is capable of automatically Outlook Login Issues Troubleshooting identifying problems with account setups, sync, and other typical mistakes. To solve your Outlook issues, download the application from the Microsoft website and follow the directions. Outlook’s ability to connect to the mail server may be blocked by firewalls or antivirus software.

Turn off Windows Defender Security Center

Users can also try its free demo version in their system and process the first 50 items from each folder freely. Always make sure your profile and settings are set up correctly, your software is up to date, and your connection is steady. The causes of sync issues and local failures in Outlook are explained in this guide, along with practical troubleshooting and resolution techniques. You can extract and recover all of your mail items to a PST file using sophisticated OST File to PST Converter software if your OST file becomes unavailable or orphaned. Here, we will discuss the five manual methods to fix sync issues in Outlook or OWA. Before finding solutions, we suggest that users check their internet FixTechGuide Windows update Outlook fix connection.

Check if two-factor authentication is turned on for your account

It is possible for a corrupted Outlook profile to impede synchronization. Test other programs or websites to be sure Outlook is the only problem. If the connection is poor, consider restarting your modem/router or moving to a more reliable network. If your password isn't the problem, you might have a certificate error. If so, you'll see a message that says, "There is a problem with the server's security certificate. The security certificate is not from a trusted certifying authority." Check with your email provider for instructions about how to create an app password for your email account.

Check Antivirus and Firewall Settings

• I’ve tried the Microsoft office uninstall tool provided by Microsoft (which deletes more items then just control panel uninstall).
• EdbMails OST to PST Converter can help in these cases by recovering data from the inaccessible OST files and restoring them without data loss.
• It is possible for a corrupted Outlook profile to impede synchronization.
• Incorrect Outlook settings can also be one of the reasons behind Outlook synchronization errors.
• I’m at wits end and Microsoft stopped helping me because they feel the problem is on our end.
• It verifies your identity using your password and a contact method (also known as security info).
• Here, we will discuss the five manual methods to fix sync issues in Outlook or OWA.
• To fix the issue, please try each of the following solutions in order.
• If you still can't sync your email after removing your account and adding it again, you might need to add the account using advanced setup.

If you can sync your email when the firewall is turned off, you'll need to allow the solve Office 365 mailbox sync delays Mail and Calendar apps through the firewall. Windows Defender Security Center is free security software that's included with Windows 10. If you haven't installed alternative security software, you should temporarily turn off Windows Defender Security Center.

Free Methods to Remove Duplicate Items in Outlook 2016

The Mail and Calendar apps for Windows 10 don't support two-factor authentication. If two-factor authentication is turned on for your account, you'll need to create an app password for that account. An app password is used instead of your normal account password for apps that don't support two-factor authentication. Before you begin, make sure that your device has the latest operating system and app updates. Try the general troubleshooting solutions in Troubleshooting Mail and Calendar apps for Windows 10. I regret that you are experiencing issues with your Microsoft Outlook slow synchronizing inbox message, and need help speeding up.