How to Merge All Windows in Finder in Mac OS X Mavericks
The Finder has been how Mac users interact with their files, but it’s always been a bit too confusing for many users.

Apple introduced the ability to use tabs in Finder with the launch of OS X Mavericks in 2013. This lets users consolidate multiple Finder windows into a single, easier to manage window.

Users can create new Finder tabs as they go by using the keyboard shortcut Command +T keys, or they can configure Finder to always open new folders as tabs instead of windows.

If you already have a desktop full of dozens of separate Finder windows. How do you consolidate them all into a single tabbed Finder window?

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The easiest way is to use a Finder command called Merge All Windows. This will, as its name suggests, merge or combine all of your currently open Finder windows into a single window, with each formerly separate window receiving its own tab.

To use this command, first make sure that Finder is the active application. Next, click on Window in the menu bar at the top of the screen and select Merge All Windows.

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All of your open Finder windows will fly together in a nifty animation and you’ll be left with a single tabbed Finder window instead. You can navigate your Finder tabs by clicking them from the list at the top of the screen, just like you’d do in a Web browser. Alternatively, you can use the keyboard shortcut Control + Tab to cycle through your Finder tabs left-to-right, or Shift + Control + Tab to cycle your Finder tabs right-to-left.

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