logo
search
Microsoft 365 Installation Problems

How to Install Classic Outlook Instead of New Outlook in Microsoft 365

Olivia MillerOlivia Miller Oct 19, 2026 869 views

Question details

The user wants to install and use the Classic Outlook desktop application rather than the New Outlook experience.

How to Install Classic Outlook Instead of New Outlook in Microsoft 365
Product
Microsoft 365
Device & OS
not provided
Scenario
Setting up email on a second laptop using a shared Microsoft 365 subscription.
Observed behavior
The installation defaulted to the New Outlook or Outlook.com experience, preventing the user from using their established IMAP and POP account configurations.
Before you start

Ensure you have downloaded and installed the full Microsoft 365 desktop apps from your shared subscription rather than just logging into the Outlook.com web interface.

Solution 1Recommended

Switch Back to Classic Outlook via the Toggle

Use this built-in setting if the New Outlook app is already installed and you want to revert to the classic desktop experience.

Microsoft provides a seamless way to switch between the new interface and the classic application directly from within the New Outlook app.

1
Open New Outlook

Launch the New Outlook application on your laptop from the Windows Start menu.

2
Locate the toggle switch

Look for the 'New Outlook' toggle switch located in the top-right corner of the application window.

3
Turn off New Outlook

Click the toggle to switch it to the 'Off' position. When a feedback prompt appears, confirm your choice to switch back to classic Outlook.

4
Configure your accounts

Once Classic Outlook launches, navigate to File > Add Account to set up your specific IMAP and POP email accounts.

Shared Subscription Capability: A shared Microsoft 365 subscription fully supports the Classic Outlook desktop application, provided the plan includes the downloadable desktop apps.
Free Microsoft Office alternative

Looking for a Lightweight, Cost-Free Office Suite?

While you are setting up your email client, you might also need reliable software for your documents, spreadsheets, and presentations. WPS Office is a powerful, free alternative to Microsoft Office that offers full compatibility with your existing files without the need for an expensive subscription.

  1. 1. Visit the official website: Navigate to the WPS Office website to find the free download option for your operating system.
  2. 2. Install the application: Run the installer and follow the quick setup wizard to install the suite on your laptop.
  3. 3. Open your files: Instantly open and edit your existing .docx, .xlsx, and .pptx files with zero formatting loss.
Fully compatible with Microsoft Word, Excel, and PowerPoint formats.A familiar, intuitive interface that makes migrating from Microsoft Office effortless.Lightweight design ensuring fast startup times on almost any laptop or PC.Built-in PDF reader and editor for comprehensive file management.
microsoft office alternative - wps office

Frequently Asked Questions

Why did my shared subscription install New Outlook instead of Classic?

Microsoft is gradually making the New Outlook the default experience for new installations. However, valid Microsoft 365 subscribers can still easily toggle back to the Classic desktop application.

Does New Outlook support IMAP and POP accounts?

While New Outlook is continuously adding support for more account types, Classic Outlook currently remains the most reliable option for managing complex IMAP and POP configurations.

Does a shared Microsoft 365 Family subscription have limited features?

No. Users added to a shared Microsoft 365 Family subscription receive access to the exact same fully-featured desktop apps, including Classic Outlook, as the primary account holder.

Where do I add new email accounts in Classic Outlook?

To add an account in Classic Outlook, click on the 'File' tab in the top-left corner, look under 'Account Information', and click the 'Add Account' button to enter your email credentials.