Before you start
A .zip opens on every modern computer and phone without extra software. Other formats such as .rar and .7z usually need a free extractor app, which the relevant section below points to. Opening an archive does not change the original file – you end up with both the archive and the extracted copies, so you can safely delete the archive afterwards.
Windows
Windows has built-in support for ZIP, and recent versions also read RAR and 7z.
- Peek inside – double-click the .zip. It opens like a normal folder so you can view the contents.
- Extract everything – right-click the archive and choose Extract All, then pick a destination folder. Wait for the copy to finish before using the files; dragging items straight out of the preview window can skip that step.
- For RAR or 7z on older Windows – install a free tool such as 7-Zip, then right-click and choose Extract Here.
macOS
The built-in Archive Utility handles ZIP automatically.
- Double-click the .zip. macOS extracts it into the same folder, beside the archive.
- For .rar or .7z, install a free extractor from the App Store, then open the archive with it.
If a download arrives already extracted – a folder where you expected a .zip – your system unpacked it for you on download. That is normal on macOS and on phones. Nothing is missing; you simply skipped a step.
Linux
Most desktops include an archive manager that opens ZIP, tar.gz and more by double-clicking. From a terminal:
- .zip – run
unzip archive.zip - .tar.gz – run
tar -xzf archive.tar.gz - .7z – install the p7zip package, then run
7z x archive.7z
Android
The built-in Files app on most phones opens a .zip directly: tap it, then choose Extract. For RAR or 7z, install a free archive app from the store, open the file with it, and extract to a folder you can find again, such as Downloads.
iPhone and iPad
The Files app handles ZIP without any install. Tap a .zip and iOS creates an extracted folder next to it in the same location. For other formats, a free archive app from the App Store adds support and lets you open the file through the share sheet.
When extraction will not work
- “The archive is damaged” – the download may be incomplete. Download it again; a half-finished file cannot be unpacked.
- A password is requested – the archive is encrypted. You need the password from whoever created it; there is no way around it by design.
- The format is unrecognised – install a tool that supports it, such as 7-Zip on desktop or a free archive app on mobile.
If you are deciding which format to send to someone else, the format comparison explains why .zip is the safest choice for reaching any device.
Check a download is intact
When an archive refuses to open, the usual cause is a download that arrived corrupted or incomplete. A checksum is the quickest way to be sure: it turns a file into a short fingerprint, and if two copies of a file produce the same fingerprint they are byte-for-byte identical. Many download pages publish a SHA-256 value for exactly this reason. Drop your file below to fingerprint it here in your browser, then paste the published value to confirm the two match before you trust the file.
If the values differ, download the file again – a fresh copy almost always fixes a checksum mismatch. If they match, the archive is sound, and any trouble opening it points to the format or tool instead.
Frequently asked questions
Do I need to buy software to open a ZIP file?
No. ZIP support is built into Windows, macOS, Linux and modern phones. You only need an extra tool for less common formats like RAR or 7z, and free options exist for those.
Where do the extracted files go?
By default they appear in the same folder as the archive, often inside a new folder named after it. On Windows, Extract All lets you choose the destination yourself.
Can I open a ZIP on my phone?
Yes. The built-in Files app on both Android and iPhone opens a .zip with a tap. Other formats may need a free archive app.
Why does my archive ask for a password?
It was encrypted when it was created. Only the person who made it can supply the password, and without it the contents cannot be read.
Is it safe to delete the ZIP after extracting?
Yes, once you have confirmed the extracted files open correctly. Extraction copies the contents out, so the archive is no longer needed.