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0x8004210a – Outlook Error Sending or Receiving Emails

0x8004210a - Outlook Error Sending or Receiving Emails

The Operation Timed Out Message – while waiting for a response from the Receiving Server (POP)

0x8004210a – Outlook Error occurs while Sending or Receiving Emails in Outlook or Outlook Express. If you encounter an Outlook send and receive an error, go to the following method.

How to Solve Error 0x8004210a?

To resolve this problem, use any of the following solutions. After you complete each method, send a test email to yourself to ensure that you can send or receive messages without receiving an error message.

Method 1: Make Sure the Internet Connection is Existing

To do so, follow these steps:

Method 2: Make Sure your Outlook Email Account Settings are Correct

If the above method does not fix the Outlook send and receive an error, you need to check your Outlook email settings. Incorrect Outlook email settings can cause Outlook to generate this error 0x8004210a.

Method 3: Delete Suspicious Emails from your Mailbox

Suspicious emails may block receiving error messages in Outlook. If you have any suspicious emails, delete them using one of the following methods:

Method 4: Disable Windows Antivirus and Firewall Program

Windows Firewall and other third-party antivirus programs can affect the sending and receiving of emails in Outlook. It can cause Outlook to send and receive an error. Therefore, to fix this error 0x8004210a, consider disabling your firewall and antivirus program.

Method 5: Configure your Firewall Software to allow Outlook to access the Internet

Warning: This solution can make a computer or network vulnerable to malicious users or malicious software like viruses. We do not recommend this workaround, but we provide this information to implement this solution at your discretion. Use this workaround at your own risk.

Method 6: Repair your Outlook or Outlook Express

Repair your Outlook Express, or Outlook can fix the problem 0x8004210a

How to repair Outlook and Outlook Express?

Note: If Outlook Express is missing from your computer or your Outlook Express installation corrupts, Outlook 2000 will not function properly and may generate one of the error messages mentioned in the “More Information” section.

Also Read: [pii_email_49421343b3768b8616fb] Error – How to Resolve?

Method 7: Make Sure your Email Profile is Working Correctly (Outlook only)

To test if your email profile is working correctly, try creating a new email profile. If you can send and receive emails using the newly created email profile, you must set the new Outlook profile as the default profile.

Step 1: Find your default Outlook data file

Step 2: Create a New Outlook Profile

As you know the name and location of your profile’s default data file, create a new Outlook profile using one of the following methods.

Method A: Use automatic account setup to create an IMAP or POP3 email account

Method B: Create an IMAP or POP3 email account Manually

Method 8: Run the Inbox Repair Tool to repair your .pst file (Outlook only)

Method 9: Clean up Emails Stuck in your Outbox (Outlook only)

Move message: move the message to the Drafts folder. You can drag the message to the Drafts folder or right-click the message, select Move, select Other Folder, and select the Drafts folder from the list.

Note this allows you to open the significant email and delete, resize, and re-add the attachments before forwarding the email again.

Delete the message: Right-click the message, then select Delete.


Outlook sending and receiving errors fix using the methods mentioned above. It is not very common for PST corruption to result in Outlook error 0x8004210a. However, if you don’t fix the problem with manual methods, it is recommended to use Remo Repair PST.

Related Article: [pii_email_95fb429ddab3b9357c9f]- How to Fix This Outlook Error?

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