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DESCRIPTION
StuffIt Expander...
Basic Expander Features/Benefits
- Easy to use.
- Unobtrusive – it launches, expands, then quits
- Expansion support for over 30 formats
- Free! Anyone can download StuffIt Expander for Mac or Windows from our website, FTP site, and many third party Internet sites ‐ Absolutely Free!
Advanced Expander Features
- Watch Folder – Auto expand files when they are added to a folder
- Auto Scan for viruses – check files for viruses after expansion automatically
- Merging ‐ If the target folder exists, merge the contents keeping older files or replacing with newer ones.
Other Expander Features
- Growl notification support
- Update notification
- AppleScript support
WHAT'S NEW
Version 13.0.3:
- Added French, German, Japanese, and Simplified Chinese localizations
- StuffIt Expander's Watch Folder feature now uses the Preferences settings rather than the application defaults
REQUIREMENTS
Mac OS X 10.4 is required for basic functionality. Growl notification support requires Growl to be installed (separate download).

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| Stuffit Expander User Reviews (55 posts) | Write A Review |
 | Apr 11 2009 |
SNOWWHITESICKETTE Hooray! Stuffit was essential to me back in the days of OS 9. Today I was downloading free icons from the internet, but some of the icons were older hqx and sit files. I was not able to open them until I downloaded Stuffit Expander for OS X. Within seconds, I was looking at the icons that Stuffit neatly put in a file for me. What a great app, and for free! Thanks, Stuffit. You and I are going to be good friends again... (Version 13.0.3) | |
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 | Mar 31 2009 |
TADPHOTO The file will not download from this site, just hangs forever. Hello? Someone needs to wake up. (Version 13.0.3) | |
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 | Feb 14 2009 |
FOOFOORABBIT How is Stuffit Expander still a 'weekly popular'?. Nobody archives with Stuffit any more. So who are the people downloading it to expand this archaic compression format? Please, I really want to know who is downloading this and why... OS X handles zip files natively...who are the people that are dumb enough to still have proprietary .sit or .sitx archives on their HDs? (Version 13.0.3) | |
| [ 2 Replies - Reply ] | |
Replies:
 | Mar 30 2009 |
CHLOE As far I know, the built-in Archive Utility in Leopard doesn't (yet) handle password-protected zip archives created by WinZip or similar programs on Windows. It just puts up an error dialog with an error code stating that the file is either corrupted or permission not permitted (correct me if i'm wrong, you can test it for yourself). Nevertheless, it still handles normal and non-passworded archives flawlessly. For those rare times when my friend on Windows decided to send me some private and/or confidential files packaged in a .zip archive, the only possible way to expand it that I could think of is to fire up Stuffit Expander and open the archive in question within SD. Therefore, this tool really come in handy when I encountered the kind of files mentioned (FYI, I primarily use SD for zip files, haven't had a need to open/expand .sit or .sitx files since back in the years when Panther was first released (I'm currently using 10.5.6). (Version 13.0.3) | |
 | May 11 2009 |
ARCTOS Not to mention the other well-meaning outfits that run windows, like Memorex, that put their software into this format & Mac OS X 10.5.6 can't open it. I needed some of their CD labeling software, and this is the format they have it posted on the web for download! No stuffit, no software..... (Version 13.0.3) | |
 | Jan 7 2009 |
DANCER My daughter posted 363 photographs from Israel on Phanfare, a photo sharing site. I downloaded them to my desktop, they were in a zip file, but I couldn't unzip them. When I went to the Apple store, they told me to download Stuffit and that should unzip them. I did. It didn't. It still says "unable to unarchive. Error 1 - operation not permitted." Why? Can I make it work or is it not able to do this thing? I want to be able to see my daughters photographs and print the ones I want. --Dancer (Version 13.0.3) | |
| [ 3 Replies - Reply ] | |
Replies:
 | Jan 8 2009 |
GANNET My best guess would be that your download is corrupted/incomplete. See if you can find out what the size of the zip archive is supposed to be (from the website) and compare it to the size of the file you have. If it's smaller than it should be, try downloading it again. (Version 13.0.3) | |
 | Jan 8 2009 |
ZO219 Also try the free The Unarchiver, handles nearly everything. (Version 13.0.3) | |
 | Apr 6 2009 |
STUFFIT That error comes from the built-in archive utility in OS X (typically when you encounter an encrypted Zip archive). To open your Zip archive. try dragging onto the StuffIt Expander application icon, or launch StuffIt Expander and then drag your archive onto the Drag Window. If it's password protected, you will be prompted for the password. --Eric Kopf (Version 13.0.3) | |
 | Jan 7 2009 |
FSCKTHEMEMBERSHIP! Returning to version 12 for the following: 2. Icon - confusing, previous version actually looks like what it's suppose to do. 3. Only reason to keep v12 is for the pre-OS X files, Windude attachments or eck .sitx files. SmithMicro just ruins the 'Mac experience'...when they get there 'PC mitts' on software (e.g. FAXstf was great then there first post-SM update -> crap)...back to StuffIt. If you have version 12 then keep it for retrieving your pre-OS X files. (Version 13.0.3) | |
| [ 1 Reply - Reply ] | |
Replies:
 | Apr 6 2009 |
CYCLONE28ASIA I wanted to download window media player for mac from macupdate and the installation menu told that we have to unzip the file with stuffit expander ,,will it work ? Pls advise ...thank you ... (Version 13.0.3) | |
 | Jan 7 2009 |
KUPHD All this "why don't you do drag and drop" complaining is a bunch of bunk. I've owned and used Macs since 1988 and OS X since 10.1, so I know a little something. The fact is, installers are faster and easier and isn't that the whole point of owning a Mac? All you elitists out there who seem to dislike the idea of more people coming to the platform ("switchers") need to get a clue. More "switchers" means more money for Apple. More money for Apple means Apple stays in business. Keeping Apple in business means you get to keep your beloved Mac. How's that for logic? A lot of people coming to the Mac are from the Windoze arena. Most of those folks can't even find the Applications folder. All they've ever known are installers. Why not keep those people coming in? If they can't find where to drag and drop an app, they aren't going to be happy customers. If they aren't happy customers, they go elsewhere. Bye bye Apple. And one final note: if Apple didn't want people using an installer, they wouldn't have included one in their Developer Tools. My only annoyance with the Stuffit installer is that it automatically puts icons on my Dock where I don't want them. I'm not going to gripe about it though, because they're easy to remove. So all you people out there who seem to think more confusing is better, why don't you try going to a very basic Linux without any installers so you can really have fun installing things? (Version 13.0.3) | |
| [ 3 Replies - Reply ] | |
Replies:
 | Jan 7 2009 |
NEONBLUE2 Apple's documentation on the usage of installers specifically says only to use them in situations that affect important system folders. The Applications folder is not one of them. (Version 13.0.3) | |
 | Jan 7 2009 |
VALENTINIAN Because as a developer and designer, you are to adhere to the human interface guidelines of the host operating system. UI and interaction design isn't an afterthought, to be papered onto your app whenever you feel like it. An operating system has a distinct set of UI and interaction metaphors, and if you don't follow it, it breaks user expectation. Ultimately, as a Mac developer, you are not creating apps for "Windows switchers". You are creating an app for -Mac users-, to conform to the expectations of Mac users. The fundamental design of Mac OS X makes the installer gratuitous, except when you specifically need to execute some non-obvious, non-file copy task. On Windows, this is precisely the case -- any software installer must write Windows Registry entries to be registered as an application. On the Mac, there is no such thing, and thus the installer metaphor is restricted. The implication of a Mac installer is that you are going do other things behind my back that isn't a straightforward file copy (put something in /Library, install a framework, install a kernel extension, write a configuration file, etc...). Violating this expectation means a Mac user will wonder what you intend to do behind their backs to install a simple decompression app. Follow the UI and interaction standards of the host OS -- any UI designer worth his pay will tell you this. As an UI engineer, I dare say that single-click "drag-and-drop" is a much easier concept for a user to understand than the overused and multi-click, multi-step installation wizard. (Version 13.0.3) | |
 | Feb 24 2009 |
DONMONTALVO > And one final note: if Apple didn't want people using an > installer, they wouldn't have included one in their Developer Tools. PackageMaker is NOT InstallerVISE. | |
 | Dec 24 2008 |
DONMONTALVO Eric Kopf (Stuffit Product Manager), your logic is flawed. Forgive me for being blunt, but what the heck were you thinking? You're violating Apple software distribution best practices, for what, convenience on your end (the number of calls)? Sad, it looks like Smith Micro is taking the same course Adobe took. Shooting from the hip and creating a mess in the process. We are removing Stuffit Expander from our builds. I don't see a need for it, and given Eric Kopf's logic, I'm afraid I've lost my confidence in Smith Micro with regard to properly designed software. We try not to use duct tape to fix something that isn't broken. Take a step back, re-release as proper drag install. Then point people who call about installing to an online FAQ. Don Montalvo, NYC (Version 13.0.2) | |
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 | Dec 4 2008 |
ANTHONY123 How come the UnArchiver can un-compress MANY more formats than Stuffit Expander, even though it is about sixth of the size? I only need this program because it can open .sitx files... 22 mb is just crazy for what it can do... (Version 13.0.2) | |
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 | Nov 7 2008 |
NOTAFOOL This stupid installer does NOT install version 13.0.2 as stated. What it installs is, in fact, version 13.0.1 I posted to this effect yesterday, immediately after downloading and installing it. My posting appeared on MacUpdate for perhaps 10 minutes and then was presumably summarily removed by MacUpdate as it is not there any more. MacUpdate, why did you do this ? It is foolish. And it is quite unacceptable to a person posting when you summarily remove postings without any explanation whatsoever. (Version 13.0.2) | |
| [ 1 Reply - Reply ] | |
Replies:
 | Nov 7 2008 |
MACUPDATE ADMIN It most certainly does install version 13.0.2. Furthermore, if it did not install version 13.0.2 then why are you the _only_ one to claim/complain out of 4,419 people (current download count for version 13.0.2) that it does not install 13.0.2? Common sense, and the experience of having installed it myself on three different Macs and having verified that it installed version 13.0.2 says that you are wrong. (Version 13.0.2) | |
 | Nov 7 2008 |
ALGOS For people that don't like the installer, you can command-click (or right-click) on the installer file and choose 'Show Package Contents'. If you then browse to 'Contents/Resources/Payload/Stuffit' you will find the application, which you can then drag and drop to your location of choice. (Version 13.0.2) | |
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 | Nov 7 2008 |
ALGOS I meant Ctrl-click ofcourse. I've had a two-button mouse for too long I guess ;) (Version 13.0.2) | |
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