To date, emails provide you an excellent media of communication over the internet.
You may be using the Microsoft Outlook as your email client and you are allowed to transfer important, documents or pictures through attachments with the assistance of these services.
Sometimes you may receive the 0x8004210a error due to corruption in the Email client application of Outlook.
Analysing The Cause Of The Outlook Error
The antivirus firewalls may be blocking the outlook and as a matter of fact you will be in trouble while operating your Outlook emailing option. You will receive 0x8004210a error then.
This may be a very annoying issue as well. The problem may be quickly resolved by giving a fresh restart or some basic changes in the account’s settings.
Sometimes you may need some explicit outlook to check if there is any corruption in the PST file. Let’s discuss some of the methods to address the error.
Solution 1: Repair Any Corrupted Personal Storage Table File
Many users have reported that after they have repaired the corrupted Personal Storage Table (PST) file, the outlook error 0x8004210 got resolved instantly.
To accomplish the task, follow the procedure described below:
Step 1: Go to the File Explorer from the Task bar. And they get your Office Folder opened.
Step 2: Then choose scanpst.exe and a window will get opened. From there select Browse and then the PST file.
Step 3: In case you cannot find the PST file, type PST in the search box provided by Windows 10.
Step 4: Now, after locating the file, start a Scan procedure and then hit the Repair option. This process might take a couple of minutes, so wait till it gets completed.
Solution 2: Remove The Third-Party Antivirus Utility
You may get to meet this error 0x8004210a as your outlook may be blocked by the third-party antivirus firewalls. To get a steady recovery to maintain the utility of the firewalls, disable it.
You are just some clicks away to do it. Try deactivating the shield to disable the antivirus.
Here I am providing you a complete guideline to execute the process. Please follow the steps:
Step 1: First go to Start and select Run in order to disable your third-party antivirus software.
Step 2: Now type appwiz.cpl in the Run Box and this will open the uninstaller of Windows 10. Next Hit the OK button.
Step 3: Choose Programs and Features and from there search and find the required antivirus utility from the list.
Step 4: Next choose Uninstall from the given options. Confirm by pressing the Yes button.
Step 5: After you have removed the antivirus, give your Windows a fresh restart and check whether your problem gets solved this way.
Solution 3: Set Up A New User Profile For Outlook
When you proceed to set up a new Outlook Profile you may not encounter the error in the new one. You can also take the help of the Microsoft Support or Recovery Assistant to check the error.
This is a very quick solution to the problem. Here I am mentioning some steps with which you can easily and effectively solve the problem.
Follow the steps given below:
Step 1: First go to the Control Panel and choose the Mail option.
Step 2: Now, go to the Show Profiles option and then choose the Add button. This will open a window for the New Profile.
Step 3: Enter the username of the profile and then hit the OK button. Fill the detail information you are asked for. Next press the Finish option to complete the task.
Step 4: Choose Always Use This Profile option and next press the Apply button. In order to exit, click the OK option.
Solution 4: Increase The Timeout Period of the Server
By increasing the timeouts period of the server, you may try to solve the 0x8004210a problem.
To commence the task follow the below mentioned procedure:
Step 1: First of all select Account Settings from the File tab of your Outlook.
Step 2: Now, select Settings of the accounts from the provided menu bar. Then go to the Email tab and choose your Outlook Profile next press the Change option.
Step 3: Select More Settings option and then move on the Server Timeouts bar.
Step 4: Now hit the OK button and save the settings that you have done.
After you have increased the timeout period of the server, give your Windows 10 a fresh restart and see whether this has checked your issue.
Solution 5: Remove Separate Third-Party Firewalls
Sometimes you may have a separate third-party firewall. Some of the softwares like Glasswire, Comodo Firewall, or ZoneAlarm are some packages that can be the reason to block Outlook.
If you detect any software like those, proceed to remove them as early as possible. Check whether doing this you are able to resolve your problem.
Wrapping Up
Here you are! Hope by now you can find out the remedy for 0x8004210a error message.
For any related issues feel free to intimate us in the comments section below. We are always eager to receive feedback from you.