Outlook error 10060 is categorized as a connection timeout problem that prevents successful communication between Outlook & the configured email server. It usually impacts send/receive operations, synchronization tasks, & outgoing email transmission across IMAP, POP, & SMTP environments.
It can disturb the user’s daily workflow. Hence, it is necessary to know the exact source of the Outlook connection error 10060. Check out this article for complete information & workable solutions to solve Microsoft Outlook connect error 10060.
Common Symptoms of Outlook Error 10060
Explore the common indicators that can confirm the Outlook connection error 10060:
- Outlook cannot connect to the server.
- SMTP timeout error appears.
- Send/receive operation freezes.
- Outlook repeatedly requests credentials.
- Mail synchronization becomes inconsistent.
Why Does Outlook Error 10060 Occur?
Here are some main reasons that can help you to fix the Outlook send receive error:
- Incompatible Firewall connection.
- Slow network connection.
- Faulty add-ins.
- Misconfigured mail server setup.
- Incorrect port numbers in the mail server.
- Misconfigured Outlook setup.
- Corrupted PST files.
- Corrupted Outlook data profile.
Outlook Connection Error 10060: Different Forms
There are some error messages that are displayed when the reasons mentioned above take place in Outlook.
- Socket Error 10060 Connection timed out.
- Cannot connect to SMTP server xxxxxxxxx, connect error 10060.
- The connection to the server has failed. Account: ‘your account’, Server: ‘ xxxxxxxxx, Protocol: SMTP, Port: 465, Secure (SSL): Yes, Socket Error: 10060, Error Number: 0x800CCC0E.
- An unknown error has occurred. Server Error: 421. Server Response: 421 Cannot connect to SMTP server xxxxxxxxx, connect error 10060.
- The server responded: 421 Cannot connect to SMTP server xxxxxxxxx, connect error 10060.
- Server Response: 421 Cannot connect to SMTP server xxxxxxxxx, connect error 10060. Server: ‘smtp-mail.outlook.com.’.’
- IMAP import setup: Cannot connect to xxxxxxxx (error code: 10060).
- “Outlook Express Socket Error 10060–The connection to the server failed Account: xxxxxxxx.”
- Task ‘*****@outlook.com – Sending’ reported error (0x800CCC67): ‘The server responded: 421 Cannot connect to SMTP server xxxxxxxx, connect error 10060.’
Methods to Fix Outlook Connect Error 10060 [Free Ways]
There are various manual methods to resolve the ‘Outlook connect error 10060’. You’re suggested to go through the methods mentioned below carefully for successful results.
Method 1. Check Your Internet Connection
It is a basic requirement, so restart your computer, modem/router, and ensure that you have a strong internet connection by clicking on the network icon and accessing the website in the browser.
Method 2. Set up an email account
An incorrect email account may cause Outlook Connect Error 10060, so set up the correct email account by following the steps below:
- In Outlook, click on the File, then Account Setting, and choose Account Settings.

- Select your current POP3 account and click Change.

- Click on More Settings and choose Advanced.
- To ensure a secure connection, check the “This Server requires an encrypted connection SSL” checkbox.
- Set the incoming server port to 993 for an IMAP account or 996 for a POP3 account.
- For security improvement, set the “Use the following type of encrypted connection” option to SSL.
- To ensure the smooth sending of emails, set the outgoing port to 465.
- Uncheck the box “Leave a copy of the message on the server”.
- Click the OK button and see the results to determine whether the issue has been resolved or not.
Method 3. Disable the Firewall or Antivirus Temporarily
Windows firewall & antivirus setup provides a secure environment, and disabling it may bother you, but sometimes it is required to test the efficiency. Disable the Windows firewall & antivirus for some time and check whether the issue has been resolved or not. Then activate the Firewall & antivirus because disabling them for a long time may cause security issues.
Method 4. Configure Server Authentication
This process secures email access, so follow the steps below to configure server authentication in Outlook:
- In Outlook, click on the File, then Account Setting, and choose Account Settings.

- Select your existing POP3 account and click Change.

- Choose More Settings, then Advanced, and click on Outgoing Server.
- Check the checkbox “My outgoing server (SMTP) requires authentication.”
- Select the “Use same settings as used in incoming mail server” option and see the results after restarting Outlook.
- You can also try to fix the issue by creating a new PST file or Outlook profile, as corrupted ones can trigger communication issues.
- Try to increase the server timeout settings under the Outlook Account Settings section. Sometimes, large mailboxes require a longer synchronization duration.
Method 5. Repair the Corrupted or Damaged PST Files
Corruption in the Outlook PST file can cause the Outlook Connect error 10060, and scanpst.exe [Inbox Repair Tool] is Outlook’s built-in utility to repair the corrupted or damaged PST files. Follow the steps below:
- Locate the scanpst.exe program in your File Explorer.
- Double-click on scanpst.exe and click on Browse.
- Choose a PST file and click on Start for the scanning process.
- Click the Repair button and click OK to resolve the scanned errors.
- Restart Outlook and check whether the error exists or not.

When Does Outlook Error 10060 Indicate PST File Corruption?
Still, if the Outlook connection error 10060 exists, then it means that the corruption in the PST file is not fixed; it is advisable to go for an automated solution. Go with our one-stop Recoveryfix Outlook PST Repair software, which is easy to use and capable of repairing bulk corruption in PST files easily in simple steps. This Outlook PST repair tool also secures data integrity and provides the features to save the recovered data in different formats like PST, MSG, etc.
Wrapping Up to Fix Outlook Connect Error 10060
Outlook Connect error 10060 can be experienced in different forms. We have discussed all the forms along with the practical methods to fix Outlook connect error 10060 manually. But if the cause of the error is severe PST file corruption, then taking the help of the suggested smart solution can be the most suitable option. Check out the tool’s core features with its free trial version.
FAQs
Q- Why does Outlook error 10060 appear intermittently?
A- Temporary network instability or inconsistent server response times can trigger random timeout errors.
Q- Does Outlook connection error 10060 affect IMAP & POP accounts?
A- Yes. Timeout errors may affect IMAP, POP, or SMTP communication, depending on configuration issues.
Q- My Outlook freezes during the send/receive operation. Can I know why?
A- Large mailbox synchronization or damaged PST file structures may interrupt send/receive communication.
