7-Zip 9.06 Beta

7-Zip is a file archiver with a high compression ratio and is open source software. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions. Check license information here: 7-Zip license.

You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. But you can make a donation to support further development of 7-Zip.

What's new:

  • 7-Zip now can unpack MSLZ archives.
  • Partial parsing for EXE resources, SWF and FLV.
  • Some bugs were fixed.
  • Some changes in interface.

News source: Official website
Download: 7-Zip 9.06 beta

This is BETA software!, please use caution when installing it on your system

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Yeah, the crappy interface never has and never will change as long as he has people defending his crappy interface on the forums.

And yes, the interface is important. For being user friendly and looking right along with the rest of your operating system graphics. But no, the author of the program is incapable of making something look halfway decent.

I used some icons I found here to create a custom 7z.dll file which you can download from here!

Just replace the 7z.dll with the one you downloaded and use TweakUI (or reboot!) to rebuild your icon cache.

Yes, he changed the versioning scheme back to depend on the year again. 9 = 2009. 4 was 2004, but he didn't move on to 5,6,7,8 for a while.

But how do i add new file into existing archive or delete file from existing archive ?

I was unable to do so by using 7-zip. I had to extract all, add new file or delete file and then re-zip back, any idea ?

Jugalator said,
Huh? To add: Just drag them in. To delete: Just highlight a file and press delete.

Hi Jugalator

Thanks for your prompt reply, so i must "drag and drop" instead of using the "Add" button on the toolbar, thanks

There is a seperate program for changing the icons in 7zip as far as I remember, with Tango icons 7zip looks great.

Can't really find the program now but google is your friend.

the user interface is not as bad as people say it is... although i do agree it does need some work/fine tuning.

but this is still my program of choice for archives since it's as good (if not better) than WinRAR for compressing stuff and it's FREE unlike WinRAR.

WinRAR not being free is it's drawback.

It's seems a lot of people are complaining about how the app looks. Can someone please point out the typical usage scenario where you would need to go into the apps UI? I ask because I do everything I need from the contextual menus and have never had a reason to launch the app itself.

I'm pretty much the same. The only time I actually open the app is when I just need certain files from an archive dragged out.

From a minimalist standpoint, the UI is fine by me.

geoken said,
It's seems a lot of people are complaining about how the app looks. Can someone please point out the typical usage scenario where you would need to go into the apps UI? I ask because I do everything I need from the contextual menus and have never had a reason to launch the app itself.

If you double-click a Zip file with 7-Zip installed, you are presented with an ugly interface. Is that usage scenario that alien to you?

No hoops to jump through. Nothing special has to be done. Just double click a file and you get UGLY right in your face, delivered to you by non other than 7-Zip.

Do you guys honestly always pay attention to the UI?
Yes, when I started using it, I was like everyone else. "How the hell am I going to get used to something this horrid looking?" Now, I just drag and drop and don't even pay attention to how it looks.
I want fast. 7-zip delivers it. 7-zip has given me zero problems and is simple to use.
If you want something good looking, go pay for WinRAR. If you want a minimalistic, well-functioning file opener, go 7-Zip.

Yes, UI is a difference between professionalism, hobbyism, or plain arrogrance.

7-zip fits into the plain arroagrance category because of their attitude towards changing the UI. It's an attitude that says you (user) don't matter as I am god and will tell you how it is.

Hobbyists take suggestions and will implement it if they can. They are more respectful about the requests but will remind that it is a one-man project for free and most people will be ok with that.

Xenomorph said,
If you double-click a Zip file with 7-Zip installed, you are presented with an ugly interface. Is that usage scenario that alien to you?

Yeah, I just right click an archive and select Extract files (or more commonly I tell it to create a directory and extract there).

geoken said,
It's seems a lot of people are complaining about how the app looks. Can someone please point out the typical usage scenario where you would need to go into the apps UI? I ask because I do everything I need from the contextual menus and have never had a reason to launch the app itself.

Yes, I can't for the life of me pick a different archiver for the looks. I barely even open its UI, just using the context menus. This isn't a movie editing application, or a drawing application, its UI is pretty much unimportant. As long as I get a file list, a toolbar, and a menu system that is minimalist, I'm happy.

libertas83 said,
Yes, UI is a difference between professionalism, hobbyism, or plain arrogrance.

7-zip fits into the plain arroagrance category because of their attitude towards changing the UI. It's an attitude that says you (user) don't matter as I am god and will tell you how it is.

Hobbyists take suggestions and will implement it if they can. They are more respectful about the requests but will remind that it is a one-man project for free and most people will be ok with that.


lol, you guys are reading way too much into this...

The developer behind this app is a programmer and mathematician, someone who writes powerful algorithms. Not a designer. If you prefer an inferior archiver with a prettier UI to meet your eyes and give serenity to your optical pathways to your brain, by all means, go for that.

Jugalator said,
The developer behind this app is a programmer and mathematician, someone who writes powerful algorithms. Not a designer. If you prefer an inferior archiver with a prettier UI to meet your eyes and give serenity to your optical pathways to your brain, by all means, go for that.

False dichotomy - there is plenty of possibility that a good-looking archiver with the features of 7-Zip can exist.

It just doesn't...right now.

Is it still ugly?

I paid for WinRAR, and its interface is pretty nice, especially with a decent theme for it loaded.

I see 7-zip recommended all the time, but I stick with WinRAR and recommend IZArc to others (free, and WinZip-like interface). Many people (clients and family) have worked with WinZip before, so IZArc is an easy transition for them.

Intelman said,
Wonderful changelog.

"Some bugs were fixed"

Don't forget: "Some changes in interface."

Coming up in the version 10 changelog: "We did stuff."

cykosis said,

Don't forget: "Some changes in interface."


7-zip is very useful, but the interface is easily one of the worst I've come across. Typical open source program.

Other than shinier toolbar icons I wouldn't want them to change it at all, tiny, highly functional and efficient with lowest possible resource use, highest possible speed.

I wouldn't want it any other way.

antareus said,
7-zip is very useful, but the interface is easily one of the worst I've come across. Typical open source program. :(

It's forgivable in this case. I've literally never even seen it's interface as I only use the app via the right click context menu. Although, I wouldn't object to some nicer icons, I currently leave Explorer as the default handler for .zip archives because the 7zip icons look bad.

Intelman said,
Wonderful changelog.

"Some bugs were fixed"

The bugs were most likely tiny and clearly not very noteworthy.
Why do you need a detailed log of every time a developer changes things? Did 7zip have something in particular broken you found?

antareus said,

7-zip is very useful, but the interface is easily one of the worst I've come across. Typical open source program. :(

Make sure you immediately notify the developers so you get your money back.