Windows 10 mail app not syncing emails error 0x8000000b

When you encounter the issue with Windows 10 mail app not syncing emails error ox8000000b.

When you try setting up the emails in the Mail app or trying to sync the emails, you might encounter the issue with Windows 10 mail app not syncing emails error 0x8000000b. This issue mostly occurred while configuring or setting up the Gmail and Yahoo email accounts in the Windows 10 Mail app. Normally, after entering the email and the password in the Mail app, the Mail app tries communicating with the email server automatically to get the server settings. There are a chances that this issue might fix, if you can able to enter the server settings manually.

RECOMMENDED: Fix this issue in 3 simple steps. Takes only 2 minutes.
1) Download repair utility.
2) Install program and click Scan button.
3) Click Fix Errors button when scan is completed.
4) Restart your computer.


If this issue occurs, you may experience the following issues in your computer.

  1. Not able to configure the Gmail account in Windows 10 Mail app.
  2. Cannot configure Yahoo email account in Mail app.
  3. Yahoo and Gmail emails not syncing from the server.
  4. Windows 10 mail for Gmail not syncing.
  5. Windows 10 mail for Yahoo not syncing.

What is causing Windows 10 mail app not syncing emails error 0x8000000b?

The issue with the Windows 10 mail app not syncing might occur with different factors. Mostly the issue occurs because of the following reasons.

  1. Incorrect password.
  2. Email server issue.
  3. Unstable internet connection.
  4. Faulty anti-virus or firewall.
  5. POP and IMAP settings not enabled in email server.

You may receive other error codes such as 0x8007042b, 0x80040154, 0x8000ffff, 0x8007000d, 0x80c8043e, 0x80070435, 0x8007006d, 0x80070425 with this same error message. Whatever error code you receive, the bottom line is that you can’t add your email account, anyway. So ultimately this prevents you from using your Gmail account on Mail app.

How to fix Windows 10 mail app not syncing emails error 0x8000000b?

Quick Note: Before making any changes in your computer, we suggest you to create a System Restore point, so that you can restore back your computer to previous working state if something goes wrong.

Reset Windows 10 apps:

In order to fix the issue with Windows 10 mail app not syncing error 0x8000000b, you can try resetting the Windows 10 apps by following the below troubleshooting steps.

  1. Press Windows logo + I keys on the keyboard to open the Settings window.
  2. Click on System and then click on Apps & Features. On the right hand side of the screen, scroll down to get the Mail app, click on it. Then you see Advanced options, click on it.

3. In the Advanced options, click on Reset.

4. Again click on Reset button to confirm the option. Once it is done, it will start resetting the application.

5. After sometime, you will be able to see the checkmark next to Reset button, which is a confirmation that app reset was successful. You can now close the Settings app and return to the desktop.

We are now done with resetting the Windows 10 app which is not working properly. Please check if the Mail app works fine now, if the issue remains, you can proceed with the further troubleshooting steps.

Re-register Mail app in Windows 10:

Most of the times, if a specific Windows 10 app is not working properly or does not responds, Re-registering the app might fix the issue. To Re-register Mail app in Windows 10 computers, follow the below resolution steps.

  1. In the search box, type powershell, right click the result and select the option Run as Administrator.

2. Now, in the elevated PowerShell window, type the below command and press enter.


3. This will display the list of all the installed application on your computer along with the technical details. For each application, there is a PackageFullName, which you have to note down for the app you wish to Re-register. You need to check for the Mail app and note down its name.

4. Here we are showing an example procedure for re-registering Xbox app.

5. Once you note down the name of the application, you need to replace it in the below command, type the same in powershell and press enter.

Add-AppxPackage -register “C:\Program Files\WindowsApps\<PackageFullName>\appxmanifest.xml” –DisableDevelopmentMode

6. Replace C: with your system root drive and <PackageFullName> with the app’s full package name which we noted down in previous step.

7. During the command execution, you will see the progress bar as shown in the below image.

Once it is done, close the Powershell screen, reboot your computer and try to add the email account in the Mail app now. Hopefully, it will fix the issue with Mail app error. If the issue remains, you can proceed with the further troubleshooting steps.

How to fix Windows 10 mail app not syncing emails error 0x8000000b?

If the above troubleshooting steps did not work, you can try these steps in order to fix the issue with the Windows Mail app.

  1. Launch Mail app and click on Settings icon.

2. Under Manage accounts, click Add account and then click on Advanced setup option.

3. Next, in the same Add on account window, click Internet email option.

4. In the next screen on the same window, provide your Gmail account details.

5. Scroll down and make sure you use these standard configuration settings.

Incoming email server:

Account type: IMAP4

Outgoing email server:

Ensure these options are checked:

Outgoing server requires authentication

Use same user name and password for sending email

Require SSL for incoming email

Require SSL for outgoing email

6. Finally, click Sign in and wait for few minutes, your Gmail account will be added successfully to Mail app.

You can also learn how to uninstall universal apps using Powershell in Windows 10 computers.


Hope this guide helped you to fix the issue with Windows 10 mail app not syncing emails error 0x8000000b. For further support, leave your comments or ask more on Forum.


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Sameer is a BE graduate in ECE and has an immense interest in following Windows, Office and other technology developments. He's also a person who enjoys writing about technology related to the geek world.

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