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.ZIP file extension

To open .ZIP files on Windows, right-click the ZIP file and select 'Extract All' to use the built-in tool.

.zip files are compressed archives that can be opened with built-in extraction tools or third-party archive managers across different platforms.

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Last updated: March 19, 2026 · Reviewed by Julian Stricker

Open on your device

Choose your operating system for a dedicated step-by-step opening guide.

How to open .ZIP files

Use these platform-specific instructions to open .ZIP files safely.

Windows

  1. Right-click the ZIP file and select 'Extract All' to use the built-in tool.
  2. Use 7-Zip: Right-click the ZIP file, choose '7-Zip', then 'Extract Here' or 'Extract to folder/'.
  3. Open with WinRAR: Right-click and select 'Open with WinRAR' for additional options.
Full Windows guide

Mac

  1. Double-click the ZIP file to extract using Archive Utility.
  2. Right-click and select 'Open With' > 'Keka' for more features.
  3. Use The Unarchiver: Right-click, choose 'Open With', then 'The Unarchiver'.
Full Mac guide

Linux

  1. Right-click the ZIP file and choose 'Extract Here' in the file manager.
  2. Use terminal: Type 'unzip filename.zip' to extract.
  3. Install p7zip and use '7z x filename.zip' for extraction.
Full Linux guide

iOS

  1. Open the ZIP file in the Files app and tap to extract.
  2. Use third-party apps like iZip for handling password-protected archives.
Full iOS guide

Android

  1. Open with Files by Google and tap 'Extract' to view contents.
  2. Use apps like WinZip or RAR for additional features.
Full Android guide

Security notes

  • Always scan extracted files with antivirus software before opening.
  • Be cautious with ZIP files from unknown sources, especially if they contain executable files.
  • Ensure extraction tools are up-to-date to avoid vulnerabilities like path traversal attacks.
  • Avoid opening ZIP files that require unexpected permissions or passwords.

Recommended antivirus software

Scan files before opening them. These antivirus tools help protect against malware and viruses.

Avast

Avast offers free and premium antivirus software that protects against viruses, malware, ransomware, and phishing. Scan files before opening them to ensure safety.

Norton

Norton 360 delivers comprehensive antivirus protection, VPN, and identity theft monitoring. Scan files for threats before opening to keep your device secure.

We may earn a commission when you use affiliate links. This supports our free file extension guides.

Can't open this file?

These are the most common causes and fixes when .ZIP files fail to open.

Common reasons

  • Archive is invalid or corrupted
  • Extraction fails due to password protection
  • Files missing after extraction

Fix steps

  1. Redownload the ZIP file from the original source.
  2. Check the file's checksum if provided to verify integrity.
  3. Try extracting with a different archive tool like 7-Zip or WinRAR.

OS-specific troubleshooting

Convert .ZIP to other formats

Use conversion tools to change .ZIP files into formats your software supports.

What is a .ZIP file?

ZIP is a popular archive file format that supports lossless data compression. It allows for the bundling of multiple files and directories into a single file while maintaining the folder structure and optionally encrypting the contents.

Background

The ZIP file format was introduced in 1989 by Phil Katz with the PKZIP software, and it has since become one of the most widely used formats for data compression. Its popularity stems from its ability to efficiently compress data, making it ideal for reducing file size for storage and transmission. ZIP files can contain one or more files and directories that may have been compressed, allowing for easier sharing and faster download times. The format supports various compression algorithms, although the most common is DEFLATE. ZIP archives can also be encrypted for security, though the strength of the encryption depends on the software and settings used to create the archive. Today, ZIP files are used in a variety of applications, from software distribution to personal file storage and sharing.

Common MIME types: application/zip

Further reading

Authoritative resources for more details on the .ZIP format.

Common .ZIP issues

Archive is invalid or corrupted

The ZIP file may be corrupted due to incomplete downloads or transfer errors.

  1. Redownload the ZIP file from the original source.
  2. Check the file's checksum if provided to verify integrity.
  3. Try extracting with a different archive tool like 7-Zip or WinRAR.

Extraction fails due to password protection

The ZIP file is encrypted and requires a password to extract.

  1. Contact the sender to obtain the correct password.
  2. Use a tool that supports password-protected ZIP files, like WinRAR or iZip.

Files missing after extraction

Some files may not appear due to hidden attributes or extraction errors.

  1. Ensure all files were selected during extraction.
  2. Use a different extraction tool to see if it resolves the issue.
  3. Check for hidden files in the extracted folder.

FAQ

Can ZIP archives be password-protected?

Yes, ZIP files can be encrypted with a password, though the encryption strength varies by tool and settings used.

Why does extraction ask for a password?

The ZIP file or specific contents within it are encrypted and require a password set by the creator.

How can I reduce the size of a ZIP file?

Use a stronger compression algorithm when creating the ZIP file, or remove unnecessary files before compressing.

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