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EnglishHow Does The Unarchiver Compare With the Native macOS Archive Utility?
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The Unarchiver is a free macOS app that opens far more archive formats than the built-in macOS Archive Utility, including RAR, 7z, and many legacy formats. It is the better choice if you regularly receive archives beyond ZIP or need features like AES-encrypted ZIP, multi-volume RAR, or non-Latin filenames. If you only occasionally open standard ZIP files, the native utility is sufficient.
The Core Difference: Format Coverage
The Unarchiver's site states it is "times more powerful than the native macOS utility and supports infinitely more archive formats." The practical meaning is that the native utility handles ZIP and a few basic formats, while The Unarchiver adds full support for:
- RAR — including encryption and multiple volumes; also extracts RAR-based .EXE self-extracting files
- 7z — all common compression methods plus Unix extensions
- Zipx — the newer WinZip compression modes
- LZMA and XZ — both the older .lzma format and the newer .xz
- CAB, MSI, NSIS — including extracting internal data from DOC and PPT files via the MSI format
- Disc images — ISO, BIN, MDF, NRG, CDI, both normal and raw
- Split files — joining .001, .002 files that use no wrapper format
- Legacy formats — StuffIt (no encryption), partial StuffIt X, and near-full DiskDoubler
ZIP itself is not just supported but extended: AES encryption, Zip64 for large files, Mac OS extensions, and several unusual compression methods.
Feature-by-Feature Comparison
| Capability | The Unarchiver | Native macOS utility |
|---|---|---|
| RAR extraction | Full, incl. encryption and multi-volume | Not supported |
| 7z, Zipx, XZ/LZMA | Full | Not supported |
| AES-encrypted ZIP | Supported | Not supported |
| Zip64 (large ZIP files) | Supported | Limited |
| Disc images (ISO, BIN, etc.) | Extensive | Not supported |
| Non-Latin archive filenames | Handled | Can cause issues |
| Price | Free, "always will be," no in-app purchases | Included with macOS |
| System requirement | macOS 10.13 or later (version 4.3.9) | Varies by OS version |
When the Native Utility Is Enough
If your archives are ordinary ZIP files created by macOS or standard tools, the built-in utility does the job without installing anything. The Unarchiver becomes worth installing when you hit a file the native tool refuses — a RAR download, a 7z from a colleague, an ISO, or a ZIP with a password.
When The Unarchiver Is the Better Choice
Choose The Unarchiver if any of these apply:
- You download RAR or 7z files regularly.
- You receive archives with non-Latin characters in their names — the site explicitly notes this is "not a problem" for The Unarchiver.
- You need to open multi-volume or encrypted archives.
- You work with disc images or older formats like StuffIt.
Installation and Setup
The Unarchiver is a quick install: the site says it takes "a few clicks to install and set it as a default app for all archive files." Setting it as the default means double-clicking any supported archive opens it in The Unarchiver instead of the native utility — the main practical change you'll notice day to day.
Limitations to Know
- StuffIt X support is partial: some obscure features and JPEG compression are unsupported.
- DiskDoubler lacks some old compression methods.
- Some .exe self-extracting formats are not supported; the site directs users to its bug tracker for those cases.
- The current version, 4.3.9 (18 Mar 2025), requires macOS 10.13 or later; older versions are available for earlier systems.
For most Mac users, the two tools coexist fine: keep the native utility for everyday ZIPs and install The Unarchiver as the fallback that handles everything else.