Microsoft Outlook brings email, calendars, contacts, and to-dos together in one Windows app.

Before installing Microsoft Outlook, check that your PC runs Windows 10 version 2004 or later, or Windows 11. The app is preinstalled on many recent Windows 11 PCs, so search for Outlook in the Start menu first. If it is not there, run the installer, which downloads the app.

You can use the new Outlook for Windows free with a Microsoft account. Free accounts display ads at the top of the inbox; Microsoft 365 Basic, Personal, or Family removes those ads and adds more mailbox storage. This is a different program from classic Outlook, the desktop app included with Microsoft 365 apps.

After setup, Microsoft Outlook can bring mail, calendars, contacts, and to-dos into one window, with accounts such as Outlook.com, Hotmail, Gmail, Yahoo, and iCloud supported in the same app. For a Gmail or other non-Microsoft account, Outlook asks to sync the account through Microsoft’s cloud; accepting is required to use it in the app.

Manage mail and schedules in one place

Outlook combines email and calendar access so you can move between messages and appointments without managing separate accounts in separate apps. Contacts and to-dos are also available alongside those tools. This setup can be useful when personal or work accounts use different providers but need to be checked from one Windows interface.

For message handling, you can schedule an email to send later or undo a sent message within ten seconds. Pinning keeps important messages near the top of the inbox, while snoozing hides a message until a selected time. Follow-up reminders provide another way to keep a message on your radar when it needs attention later.

Adjust the interface and add-ons

More than 50 themes and fonts let you change the appearance, while roomy, cozy, and compact views offer different inbox layouts. These options help adjust how much information is visible at once without changing the underlying mail account or message organization.

The new Outlook supports web-based add-ins, but it does not support classic COM add-ins. Users who rely on those traditional desktop extensions should account for that distinction when choosing which Outlook app to use. Classic Outlook remains a separate program available with Microsoft 365 apps.

What to know about accounts and storage

Outlook is available for Windows 10 version 2004 or later and Windows 11, as well as on the web, macOS, Android, and iOS. Its Windows app is therefore one part of a service that can be accessed across several platforms, while the account setup determines how mail from each provider is handled.

For Gmail, Yahoo, iCloud, and other non-Microsoft accounts, synchronization takes place through Microsoft’s cloud rather than keeping mail only on the PC. That requirement is important for people who want local-only storage. Free accounts also include inbox ads, while a qualifying Microsoft 365 subscription removes them; these are separate considerations when deciding whether the app fits your email routine.

Choosing the right Outlook experience

The new Outlook is suited to people who want to combine supported mail accounts with calendars and related tools in a single Windows app, particularly those already using Outlook.com or Hotmail. Its scheduled sending, undo-send window, pinning, snoozing, and follow-up reminders support everyday inbox management without requiring a separate workflow for each provider.

Keep in mind that the new Outlook is not the same as classic Outlook, even though both carry the Outlook name. The new app uses web-based add-ins and cloud synchronization for non-Microsoft accounts, while classic Outlook is the distinct desktop program included with Microsoft 365 apps. These differences help clarify which version matches your account setup and add-in needs.