Use Windows File Explorer for simple ZIP folders, but use 7-Zip when you need speed, passwords, unusual formats, or cleaner control over extraction. If you only downloaded a small ZIP of photos or documents, File Explorer is enough. If the archive is large, encrypted, split into parts, or comes as 7z or RAR, 7-Zip is the safer pick.
TL;DR: File Explorer is built into Windows and works well for quick ZIP extraction, such as opening a 25 MB folder of invoices from an email. 7-Zip handles more formats and gives you better options, especially for large archives; in many real cases, a 2 GB compressed folder can extract noticeably faster with 7-Zip than with File Explorer. If you extract compressed folders weekly, 7-Zip saves clicks, reduces errors, and avoids the “why won’t this open?” moment.
What “unzipping a folder” really means
A compressed folder is usually an archive. It stores files and folders in a smaller package. The most common format is ZIP, but you may also see 7z, RAR, TAR, GZ, or ISO.
When you “unzip” it, you extract the contents into a normal folder. After that, you can open, edit, move, or delete the files like anything else on your PC.
Option 1: How to unzip a folder with Windows File Explorer
Windows File Explorer is the simplest method because it is already installed. You do not need to download anything. For basic ZIP folders, it works fine.
- Find the compressed ZIP folder.
- Right-click it.
- Select Extract All.
- Choose a destination folder.
- Click Extract.
You can also double-click a ZIP folder to view its contents. That is useful for a quick check. Still, do not work directly inside the ZIP if you plan to edit files. Extract them first. Otherwise, changes may not save where you expect.
Where File Explorer works best
- Small ZIP downloads, such as forms, PDFs, photos, or school files.
- One-time extraction, where you just need the files quickly.
- Office PCs where installing extra apps is blocked.
- Beginner users who want a clean, familiar interface.
The downside is control. File Explorer gives you limited choices. It may be slow with large archives. It can also struggle with damaged files or formats it does not fully support. Honestly, it feels like Windows makes the easy case easy and the slightly tricky case annoying.
Option 2: How to unzip a folder with 7-Zip
7-Zip is a free archive utility. It supports ZIP, 7z, RAR extraction, TAR, GZ, ISO, and more. It also handles encrypted archives, split archives, and high-compression files much better than the basic Windows tool.
After installing 7-Zip, extraction is simple:
- Right-click the compressed folder.
- Choose 7-Zip from the menu.
- Select Extract files…, Extract Here, or Extract to “Folder Name”.
- Pick a location if asked.
- Enter the password if the archive is encrypted.
The best option for most people is Extract to “Folder Name”. It creates a new folder and puts everything inside it. That keeps your desktop from exploding into 400 random files. It drives me crazy when “Extract Here” gets used on a crowded Downloads folder and suddenly nobody knows what belongs to what.
Where 7-Zip is better
- Large archives, especially over 1 GB.
- Password-protected files, including encrypted 7z and ZIP archives.
- RAR and 7z files, which are still common for software, backups, and shared folders.
- Split archives, such as file.7z.001, file.7z.002, and file.7z.003.
- Testing archives before extraction to check for errors.
7-Zip also lets you create compressed folders with stronger compression. That is handy if you send project folders, image collections, or backups across email and cloud storage.
File Explorer vs 7-Zip: quick comparison
| Feature | Windows File Explorer | 7-Zip |
|---|---|---|
| Best for | Basic ZIP folders | ZIP, 7z, RAR, TAR, encrypted archives |
| Cost | Free, built into Windows | Free download |
| Ease of use | Very easy | Easy after installation |
| Password support | Limited | Strong |
| Speed on large files | Acceptable | Often faster |
| Repair and testing tools | Minimal | Better error checks |
Which one should you choose?
Choose File Explorer when the archive is a normal ZIP and you only need to extract it once. It is perfect for a small folder from a coworker or a download from a trusted website.
Choose 7-Zip when the file type is not ZIP, the archive is huge, or the sender gave you a password. Also use it when you see multiple archive parts. In that case, keep all parts in the same folder, right-click the first one, and extract from there.
For example, say a designer sends you a 3.4 GB folder with images, fonts, and layout files in 7z format. File Explorer may not open it properly, depending on your Windows version. 7-Zip will handle it cleanly. It can also show progress, ask for the password, and keep the folder structure intact.
Common mistakes to avoid
- Do not extract unknown archives blindly. Scan them first if they came from email, forums, or file-sharing sites.
- Do not use “Extract Here” in a messy folder. Use “Extract to folder name” instead.
- Do not delete the archive too early. First check that all files extracted and open correctly.
- Do not ignore error messages. A CRC error often means the archive is damaged or incomplete.
- Do not run EXE files from strangers. Extraction is not the risky part. Running unknown programs is.
Best practice for clean extraction
Create a dedicated folder before extracting. For example, make a folder named Client Photos March, then extract the archive into it. This sounds basic, but it prevents clutter and makes missing files easier to spot.
If you work with compressed folders often, install 7-Zip and keep File Explorer as the quick option. That gives you both speed and convenience. File Explorer covers the casual ZIP jobs. 7-Zip handles the messy ones without making you fight the system.
Bottom line: Windows File Explorer is fine for simple ZIP folders. 7-Zip is better for almost everything else. If you only unzip files a few times a year, stick with Windows. If compressed folders are part of your normal workflow, 7-Zip is worth installing.