File Explorer is the tool your computer uses to show you where your files live

File Explorer is the program on your computer that displays your folders and files in a way you can browse, move, and organize. On Windows, it is called File Explorer. On a Mac, it is called Finder. Both do the same job: they show you a visual map of everything stored on your computer, organized into folders the way a filing cabinet holds drawers within drawers.

When you save a document, take a photo, or read something from the internet, that file goes somewhere on your hard drive. File Explorer is how you actually see where it went. Without it, your files would exist on your computer but you would have no way to find them, move them, or organize them into groups that make sense.

Think of it this way: your computer's hard drive is like a massive library. File Explorer is the librarian who shows you where each book is shelved and lets you move books from one shelf to another.

Key Takeaways

  • File Explorer (Windows) or Finder (Mac) is the program that shows you all your files and folders organized in a visual layout you can browse.
  • Every file on your computer lives in a folder, and folders can contain other folders, creating a nested structure that keeps related items together.
  • You open File Explorer by clicking its icon in your taskbar or by pressing the Windows key and E on Windows, or by clicking the Finder icon on a Mac.
  • The left sidebar shows common locations like Documents, Downloads, and Desktop, so you do not have to navigate through every folder to find recently saved files.
  • You can create new folders, rename files, move items between folders, and delete things you no longer need, all from within File Explorer.

How to open File Explorer on your computer

On Windows, the fastest way is to press the Windows key and the letter E at the same time. Your keyboard has a Windows key (it usually shows a four-square logo) on the bottom left, next to the spacebar. Holding both and pressing E opens File Explorer when ready.

If you prefer clicking, look at the bottom left of your screen. You should see a taskbar with several icons. One of them looks like a folder. Click it and File Explorer opens. If you do not see a folder icon, right-click the taskbar, select "Show the File Explorer button," and it will appear.

On a Mac, click the Finder icon in the dock at the bottom of your screen. It looks like a smiling face made of lines. This opens Finder, which is the Mac version of File Explorer and works the same way.

Understanding the folder structure and navigation

When File Explorer opens, you see a window divided into sections. On the left is a sidebar listing common places: Desktop, Documents, Downloads, Pictures, and others. These are shortcuts to the folders you use most often. Clicking any of them jumps you directly there instead of making you dig through layers of folders.

The main area in the center shows what is inside whichever folder you have selected. If you click Documents, you see all the files and folders inside your Documents folder. If you see a folder icon with a name, double-clicking it opens that folder and shows what is inside it. Double-clicking a file (like a Word document or a photo) opens it in the program designed to read it.

At the top of the window, you see a path or address bar showing exactly where you are. For example, it might say "C:\Users\YourName\Documents". This tells you that you are looking at the Documents folder inside the YourName user account. If you go deeper into a subfolder, the path gets longer. This path is useful when you need to tell someone else where a file is located.

Creating and organizing folders inside File Explorer

To create a new folder, right-click in the empty space of the folder you are currently viewing. A menu appears. Click "New" and then "Folder". A new folder appears with the name "New Folder" highlighted so you can type a better name right away. Type something descriptive — like "2024 Tax Documents" or "Home Repair Photos" — and press Enter.

Once you have folders set up, moving files into them is straightforward. Click and drag a file onto a folder, and it moves inside. You can also right-click a file, select "Cut," then right-click inside the destination folder and select "Paste." Both methods work; dragging is faster if you can see both the file and the folder on screen at the same time.

Renaming a file or folder is equally straightforward. Right-click it, select "Rename," type the new name, and press Enter. This is useful when you read something with a confusing name like "Document (1)" and want to call it something you will actually remember.

The difference between moving and copying files

File Explorer lets you move files (so they exist in only one place) or copy them (so they exist in two places). This matters because moving saves space, while copying creates a backup.

To move a file, right-click it and select "Cut." Then navigate to the folder where you want it to go, right-click, and select "Paste." The file disappears from the old location and appears in the new one. To copy instead, right-click and select "Copy," then paste it in the new location. The original stays where it was.

A common mistake is cutting a file, then forgetting where you pasted it. If you are not sure, use copy instead. You can always delete the original later once you confirm the copy is in the right place.

Finding files when you cannot remember where they are

File Explorer has a search box, usually at the top right of the window. Click it and type part of the filename you are looking for. File Explorer searches through all the folders in the current location and shows you every file that matches. If you search from the top level (like "This PC" on Windows or the hard drive on a Mac), it searches your entire computer.

Search is especially useful when you downloaded something weeks ago and have no idea which folder it ended up in. Type the filename or even just part of it — like "tax" if you are looking for a tax document — and File Explorer shows you every match.

You can also sort files by date, name, size, or type. Click the column headers at the top of the file list. Sorting by date is helpful when you remember roughly when you saved something but not what you called it.

Deleting files and using the Recycle Bin

When you no longer need a file, right-click it and select "Delete." On Windows, the file moves to the Recycle Bin, a holding area where deleted files sit until you empty it. On a Mac, deleted files go to the Trash. This is a safety feature: if you delete something by mistake, you can recover it by opening the Recycle Bin or Trash and moving the file back.

The Recycle Bin and Trash do take up space on your hard drive, so periodically emptying them frees up room. Right-click the Recycle Bin icon on your desktop (Windows) or click Finder, then Empty Trash (Mac). Once you empty it, the files are gone for good, so only do this when you are certain you do not need anything inside.

If you want to delete something permanently without it going to the Recycle Bin first, hold Shift while pressing Delete. This bypasses the Recycle Bin entirely. Use this only when you are absolutely sure.

Frequently Asked Questions

What is the difference between a file and a folder?

A file is a single item — a document, photo, video, or program. A folder is a container that holds files and other folders. Folders help you organize files into groups. You cannot open a folder the way you open a file; you double-click it to see what is inside.

Can I see hidden files in File Explorer?

Yes. On Windows, click the View tab at the top, then check the box next to "Hidden items." On a Mac, press Command, Shift, and Period at the same time. Hidden files are usually system files you do not need to touch, but sometimes you need to see them for troubleshooting.

What happens if I delete a folder?

The entire folder and everything inside it moves to the Recycle Bin (Windows) or Trash (Mac). You can recover it the same way you recover a deleted file — by opening the Recycle Bin or Trash and moving the folder back. Once you empty the Recycle Bin or Trash, the folder and all its contents are gone.

How do I know how much space a file takes up?

Right-click the file and select "Properties" (Windows) or "Get Info" (Mac). A window opens showing the file size in bytes, kilobytes, or megabytes. Large video files take up much more space than text documents. If your hard drive is running low on space, deleting large files you no longer need frees up room fastest.

Can I use File Explorer to connect to files on another computer?

Yes, if the other computer is on the same network and has file sharing turned on. On Windows, click "Network" in the left sidebar. On a Mac, click the network icon in Finder. You can then browse shared folders on other computers, though you may need a password to access them.