How to get old and new Outlook running side-by-side

Want to try the new Outlook but aren't ready to abandon the classic version? Learn how to run both simultaneously, allowing you to explore new features while retaining the familiarity and full functionality of the classic Outlook.

The new Outlook app offers exciting features, but a complete switch isn't always feasible. Whether for comparison, testing, or a gradual transition, running both versions concurrently is highly beneficial. This guide details how to accomplish this.

- Classic vs. New Outlook: A Comparison

• Pinning New Outlook to the Taskbar
• Installing New Outlook as a Separate Application
  • Download from the Microsoft Apps Store Website
  • Download from the Microsoft Store
• Next Steps: Mastering the New Outlook

Classic Outlook vs. New Outlook

Let's clarify the key differences between the classic and new Outlook versions.

Classic Outlook (Old Outlook)

Classic Outlook is the established Outlook desktop client, a staple of the Microsoft Office suite. Its comprehensive features and familiar interface are relied upon by many users for email and calendar management.

New Outlook

The new Outlook for Windows boasts a redesigned interface, a streamlined ribbon, and impressive new features. However, it currently lacks some classic Outlook functionalities, including offline usage, Exchange on-premises support, PST file support, and full email rule and conditional formatting capabilities. COM add-ins are also unsupported, with web add-in replacements not yet universally available.

While these omissions might deter some, others may still wish to explore the new app. The "Try the new Outlook" toggle presents an all-or-nothing choice, but workarounds exist to run both simultaneously.

Running Classic and New Outlook Simultaneously

The "Try the new Outlook" toggle in the classic app switches to the new version, closing the old one. Reopening the classic app via its shortcut will relaunch the new app. However, the new Outlook runs as a separate application with its own taskbar icon, enabling parallel use.

Method 1: Pinning the New Outlook to the Taskbar

1. In classic Outlook, activate the "Try the New Outlook" toggle.
2. The new Outlook will download.
3. Switch to the new Outlook.
4. Right-click its taskbar icon and select "Pin to Taskbar".
5. In the new Outlook, toggle off "New Outlook".
6. Provide feedback or skip it.

Now, launching Outlook normally opens the classic version; the pinned shortcut opens the new app. Both can run simultaneously.

Key Considerations:

• Accounts: Accounts transfer automatically.
• Email Rules: Transferred, but some may be disabled.
• Conditional Formatting: Needs manual recreation.
• Primary Account: The classic Outlook's default account becomes the primary account in the new Outlook.

Method 2: Installing New Outlook as a Separate Application

For a fresh start, or if the in-app switch isn't available (e.g., with non-subscription Office versions), install the new Outlook separately.

Option A: Download from the Microsoft Apps Store Website

1. Download the installer from the Microsoft Apps Store.
2. Run the installer (Outlook for Windows Installer.exe).

Option B: Download from the Microsoft Store

1. Download from the Microsoft Store using the direct link (or search within the Store).

Both methods provide independent installations. Create desktop shortcuts or taskbar pins for easy access.

Getting Started with the New Outlook

To effectively use the new Outlook:

• Learn the simplified ribbon and its customization options.
• Configure your email accounts.
• Set up email rules.

By using these methods, you can smoothly transition to the new Outlook while maintaining access to the classic version.

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