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Uninstall & Reinstall Issues

Can You Uninstall New Outlook Without Affecting Classic Outlook 2021?

Bushra ParveenBushra Parveen Oct 8, 2026 872 views

Question details

The user wants to know if they can safely uninstall the New Outlook app without damaging or removing their existing classic Outlook 2021 desktop software.

Can You Uninstall New Outlook Without Affecting Classic Outlook 2021?
Product
Microsoft Outlook
Device & OS
Windows 11
Scenario
Managing installed applications after a Windows update adds the New Outlook app alongside an existing Office Professional Plus 2021 suite.
Observed behavior
Both Microsoft Office Professional Plus 2021 and the New Outlook app appear in the Windows 11 installed apps list, creating confusion about whether they are linked or operate independently.
Before you start

Before making changes to your installed applications, verify which version of Outlook you actively use by checking the app icon; New Outlook typically has a 'New' badge overlaid on the icon.

Solution 1Recommended

Uninstall New Outlook Safely Using Windows Settings

Use the Windows 11 Settings menu to remove the New Outlook app independently, leaving your classic Outlook 2021 untouched.

The 'New Outlook' is a web-based application designed by Microsoft to replace the default Windows Mail, Calendar, and People apps. Because it operates completely separately from the classic Outlook desktop application included in your Microsoft Office suite, removing it will not delete your classic Outlook 2021 program files or locally stored data.

1
Open Windows Settings

Click the Start Menu button in Windows 11 and select the 'Settings' gear icon, or press the Windows Key + I on your keyboard.

2
Navigate to Installed Apps

Click on 'Apps' in the left-hand sidebar, then select 'Installed apps' from the list of options on the right.

3
Locate New Outlook

Scroll down the list of applications or use the search bar at the top to find 'Outlook (new)'.

4
Uninstall the Application

Click the three dots (...) next to 'Outlook (new)', select 'Uninstall', and confirm your choice when prompted by the system.

Uninstall New Outlook Safely Using Windows Settings
Safe Removal Verified: Uninstalling New Outlook only removes the modern app interface. Your classic Outlook 2021 will continue to function normally without any interruption.
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Frequently Asked Questions

Why did New Outlook suddenly appear on my Windows 11 computer?

Microsoft is actively phasing out the legacy built-in Windows Mail and Calendar apps. Recent Windows 11 updates automatically install New Outlook to replace these legacy applications, which happens even if you already have a paid version of Office installed on your device.

Will uninstalling New Outlook delete my emails or contacts?

No. Your emails, calendar events, and contacts are safely stored on your email provider's servers (such as Exchange, Outlook.com, or Gmail) and remain accessible in your classic Outlook 2021 application. Removing the app only removes the software interface, not the actual data.

Can I run both New Outlook and classic Outlook 2021 at the same time?

Yes, they operate as entirely independent software applications. You can keep both installed and even run them simultaneously on Windows 11 without them interfering with each other's core functions.