First, locate the ZIP file and then right-click it. If the ZIP file contains a lot of files, you can unzip them all at once. If you don’t, you won’t be able to save any edits you make to that file, and installation files won’t work properly if you try to run them. You can also open the files within the ZIP file by double-clicking them.ĭo keep in mind, though, that even though you can view the files, you’ll need to unzip them before you actually use them. Now, Windows lets you take a peek inside by simply double-clicking the file-the same way you would with a folder. Back in the day, you would have had to download third-party software to do this. View what’s inside a ZIP fileīefore you start unzipping files, you may want to check out what’s in it. Luckily, Windows 10 has a built-in tool to do just that. But to use those files, you’ll need to unzip them. A ZIP file contains multiple compressed files inside, reduces the overall size of the files to save storage space.