How to Fix the 0x8019019a Mail App Error in Windows 10 & 11
Many users utilize their email accounts within the Windows 10 and 11 Mail app. However, some users have said they can’t utilize Yahoo webmail accounts in Mail because of error 0x8019019a. Those users see a “something went wrong” error message with the 0x8019019a code when they seek to add or sign in to Yahoo accounts in the Mail app.
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1. Utilize the Windows App Troubleshooter
The Windows Store App troubleshooter might be a useful tool for fixing error 0x8019019a. That utility can resolve a wide variety of issues affecting the proper functioning of UWP apps. This is how you’re able to utilize the Windows Store App troubleshooter:
The same troubleshooter is available in Windows 10, but the steps for reaching it aren’t entirely the same. ClickUpdate & Security>Troubleshootinside Windows 10’s Settings app. Then select theAdditional troubleshootersnavigation option to reach the troubleshooting tools.

2. Update the Mail App and Windows
Microsoft releases updates to fix bugs in its apps. So, updating the Mail app could be a potential error 0x8019019a fix if patches are available. This is how you can update the Mail app.
We also recommend updating Windows while you’re at it. To do so, check for updates as outlined for method one within our article aboutmanually updating Windows. If there’s a new Windows 11 build available to you, select to install the latest version of the platform.

When updating Windows, turn on theReceive updatesfor other productsoption. Selecting that option enables updates for Microsoft software other than Windows. You can access that setting by clickingAdvanced optionswithin theWindows Updatetab.
3. Reset the Mail App
Resetting Mail will eradicate its data and restore the app to a default configuration. That troubleshooting option is worth a try for fixing error 0x8019019a. However, note that resetting the app will erase saved emails and passwords for all webmail accounts you’ve set up in Mail. This guide toresetting apps in Windowsincludes instructions for how to select theResetoption.
4. Delete and Add the Account Again
If it’s possible to’t sign into Yahoo in Mail because of error 0x8019019a, deleting and adding the account could resolve the issue. Mail users have confirmed that applying such a resolution fixed error 0x8019019a. This is how you can delete and add a Yahoo account in Mail:
5. Add a Yahoo Account With a Generated App Password
A lot of Mail users have been able to fix error 0x8019019a by adding Yahoo with a generated app password. A generated app password is an app-specific one you can set up for Yahoo via your account info. You can add a Yahoo account with a generated app password like this:
Now it’s time to head back to the Mail app.

6. Reinstall the Mail App
Reinstalling Mail is another error 0x8019019a fix confirmed to work by users who’ve resolved the issue. You might need to apply such a potential resolution if the Mail app is corrupted. So, try doing that if the above solutions aren’t enough. You’ll need to remove Mail via Settings as covered within our guide touninstalling built-in Windows 11 apps.
Open theMail and Calendar Microsoft Store pagein a web browser. ClickingGet in Store appwill bring up a prompt for opening the same app page in Microsoft Store. SelectOpen Microsoft Storeto reach anInstalloption for the app. Then you can clickInstallto reinstall Mail.

Send and Receive Yahoo Emails in Mail Again
The potential resolutions in this guide will almost certainly get the error 0x8019019a Mail app error fixed in Windows 11/10. A 100 percent guarantee isn’t promised, but many Mail users have confirmed the potential fixes above to work. So, one of them will probably enable you to continue utilizing Yahoo email within the Windows Mail app.
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