Mac computers and some Microsoft computers use oval USB-C ports instead of traditional USB 3. 0 ports. Likewise, it’s good to know if your external hard drive uses a USB-C cable when your computer only has USB 3. 0 ports.

If you’re using an adapter, first connect the end of the adapter that fits in your computer to your computer, then plug the end of the external hard drive’s cable into the free end of the adapter.

Both Windows and Mac users can select exFAT as the file system when formatting the drive. This is ideal if you want to use your hard drive with both Windows and Mac computers. Formatting an external hard drive will erase everything on it.

If you don’t see the File Explorer app icon here, you can open File Explorer by pressing ⊞ Win+E. You can also right-click the Start {“smallUrl”:“https://www. wikihow. com/images/0/07/Windowsstart. png”,“bigUrl”:"/images/thumb/0/07/Windowsstart. png/30px-Windowsstart. png",“smallWidth”:460,“smallHeight”:460,“bigWidth”:30,“bigHeight”:30,“licensing”:"<div class="mw-parser-output">

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For example, if your files are in the Documents folder, you would click Documents on the left to open the Documents folder.

You can also hold down Ctrl and click each file you want to copy to select them individually. To highlight everything in a given folder, press Ctrl+A.

If you don’t see anything below the “Devices and drives” heading, click once the heading to expand it. If you can’t find your external hard drive here, try using a different USB slot for your hard drive.

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You can also hold down ⌘ Command and click each file you want to copy to select them individually. If you can’t find your files, click All My Files on the left side of the Finder window to browse all of your Mac’s folders.

If you can’t find your external hard drive here, try using a different USB slot for your hard drive.

Once you see the external hard drive’s name disappear from the Finder side pane, you can physically disconnect it from your Mac.