How to Install Classic Outlook Instead of New Outlook in Microsoft 365
Question details
The user wants to install and use the Classic Outlook desktop application rather than the New Outlook experience.

- 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.
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.
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.
Launch the New Outlook application on your laptop from the Windows Start menu.
Look for the 'New Outlook' toggle switch located in the top-right corner of the application window.
Click the toggle to switch it to the 'Off' position. When a feedback prompt appears, confirm your choice to switch back to classic Outlook.
Once Classic Outlook launches, navigate to File > Add Account to set up your specific IMAP and POP email accounts.
Install the Full Microsoft 365 Desktop Suite
If you only have the web-based version, download and install the complete desktop application suite from your Microsoft account.
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- 1. Visit the official website: Navigate to the WPS Office website to find the free download option for your operating system.
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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.




