The Mail app in Windows 10 is one of the better email clients out there for the Windows operating system. Mail, which was first introduced with Windows 8, has been redesigned and polished in Windows 10 for better user experience and performance. Although the Mail app is fantastic, many users are experiencing a variety of issues while using the app. If you’re also having issues with the Mail app in Windows 10 and unable to sort out the issue, you might be able to resolve the issue by reinstalling the Mail app. Reinstalling the Mail app is fairly straight-forward and easy. It can be uninstalled either via PowerShell or with the help of a third-party utility called Windows 10 App Remover. Once the app is uninstalled, the fresh copy of Mail can be installed from the official Store. In this guide, we will see how to reinstall the Mail app in Windows 10 with and without the help of third-party utilities. WARNING 1: Reinstalling the Mail app might remove any saved emails and credentials in the app. You might need to add your email accounts all over again. We advise you to create a manual restore point before attempting to reinstall the Mail app. WARNING 2: Uninstalling the Mail app will also uninstall the Calendar app as both are packaged together as Windows communication apps. Likewise, when you install the Mail app, the Calendar app will also be installed. Tip: You might be able to fix issues by resetting the Mail app in Windows 10. 1 – Reinstall the Mail app without using third-party utilities 2 – Reinstall the Mail app using CCleaner 3 – Reinstall the Mail app with the help of third-party utilities Method 1 of 3 Reinstall Windows 10 Mail app via PowerShell The Mail app can’t be uninstalled via Settings or Control Panel. We need to either use PowerShell or third-party tools to uninstall it. In this method, we are going to use PowerShell. Skip to Method 2 to uninstall the Mail app with the help of third-party utilities. Step 1: Launch PowerShell as an administrator. To do so, type PowerShell in Start menu or taskbar search box, right-click on PowerShell entry and then click Run as administrator option. Click Yes button when you see the User Account Control prompt. Step 2: In the elevated PowerShell prompt, type the following command and hit Enter: Get-AppxPackage Microsoft.windowscommunicationsapps | Remove-AppxPackage Press the Enter key to execute the command. The app will be removed in a few seconds. The Mail app is now completely uninstalled. If it was pinned to the taskbar, the icon will automatically disappear from the taskbar. Step 5: Once the Mail app is uninstalled, reboot your PC. Step 6: Launch the Store app. The Store app can be found on the Start menu or can be launched by typing Store in the search box. And if you can’t find it, follow our how to reinstall the Store app guide. Step 7: Once the Store app is launched, type Mail in the search box and then click Mail and Calendar to open its page. Step 8: Click Install button to install the Mail app. That’s it! Once the app is installed, add your email account(s) to the app. It should work without any issues. Method 2 of 3 Reinstalling the Mail app using CCleaner Step 1: Download CCleaner for Windows 10 and install the same on your PC. Step 2: Run CCleaner. Click Tools and then click Uninstall. Step 3: Select Mail and Calendar app and then click the Uninstall option. Click Yes button when you see the confirmation dialog to uninstall the mail app. Step 4: Open the Store app, search for Mail and Calendar app, and then install the same to reinstall the Mail app. Method 3 of 3 Reinstalling Mail app using Windows 10 App Remover tool Step 1: Download Windows 10 App Remover by visiting this page. It’s a portable program. Hence, no need to install it. Step 2: Run Windows 10 App Remover, click the button labeled Calendar & Mail and then click Yes for the confirmation prompt. Step 3: Once the app is uninstalled, follow the instructions mentioned in Step 5, Step 6, Step 7 and Step 8 of Method 1. Hope this helps!