Fix Outlook error 0x8004210B
0Here's how to Fix Outlook error 0x8004210B.
The error code 0x8004210B means that the operation timed out waiting for a response from the sending (SMTP) server. This can happen for a number of reasons, such as:
* A problem with your internet connection
* A problem with the SMTP server itself
* A problem with your Outlook settings
* A problem with a third-party add-in
To troubleshoot this error, you can try the following steps:
1. Check your internet connection. Make sure that you are connected to the internet and that your internet speed is fast enough to send and receive emails.
2. Check the SMTP server settings in Outlook. Make sure that the SMTP server address and port number are correct.
3. Disable any third-party add-ins that you are using. Some add-ins can interfere with Outlook's ability to send and receive emails.
4. Repair your Outlook profile. If you have a corrupted Outlook profile, this can cause a number of problems, including the error 0x8004210B.
5. Reinstall Outlook. If none of the above steps work, you may need to reinstall Outlook.
If you are still having problems after trying these steps, you can contact Microsoft support for help.
Here are some additional tips to help you avoid this error:
* Keep your software up to date. Microsoft releases regular updates for Outlook, which can include fixes for problems that can cause this error.
* Use a reliable internet connection. A slow or unreliable internet connection can increase the chances of this error occurring.
* Avoid using large attachments. Large attachments can take longer to send and receive, which can increase the chances of this error occurring.
* If you are using a third-party add-in, make sure that it is compatible with the latest version of Outlook. Some add-ins may not be compatible with newer versions of Outlook, which can cause this error.