How to Set IntelliJ Projects to Always Open in Tabs on macOS

Learn how to configure IntelliJ IDEA to always open projects in tabs on macOS.

multiple_projects_in_tabs — Projects opened in tabs

On macOS, you can configure multiple projects or documents to open in tabs instead of new windows. This setting applies not only to development tools but also to most tab-supporting apps (like Finder, Preview, etc.), and is useful for keeping your workspace organized.

Note

This is a macOS feature.

Settings to Open in Tabs

always_open_tabs — All applications will open in tabs.

Open System Settings Navigate to System Settings > Desktop & Dock.
Change Tab Settings Set Prefer tabs when opening documents: to Always.

Tip

This option forces documents to open in tabs instead of new windows when opening multiple documents in macOS-supported apps.

By utilizing this setting, you can efficiently work with multiple projects or documents by switching between tabs in a single window, which can increase focus and productivity, especially in small screen environments or when multitasking heavily.