ZIP files hold several compressed files inside, reducing how much space they take on your hard drive. They need to be unzipped to use the files, though. Here's how to do it.

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

How to create a .tar.gz file on Windows Download and install 7-Zip on your Windows computer. Select the files you want to include in the .tar.gz file.

Occasionally, you'll need to open several compressed files from one ZIP folder. While Windows does a fine job extracting, there are better tools to unzip.

Luckily, since ZIP files are so common, they're incredibly easy to unzip. Here's how to unzip files on nearly any device, whether it be a computer, tablet, or smartphone.