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WinZip

herroleandro 1 10 November 19, 2015 at 03:52 PM
When i use WinZip to extract a compressed file that has a .zip file name extension on a Windows Vista-based computer, I receive an error message that resembles the following:
This file was compressed using an unknown compression method. Please visit www.winzip.com/wz54.htm for more information. The compression method used for this file is 98. error: no files were found - nothing to do

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#2
Quote from herroleandro View Post :
When i use WinZip to extract a compressed file that has a .zip file name extension on a Windows Vista-based computer, I receive an error message that resembles the following:
This file was compressed using an unknown compression method. Please visit www.winzip.com/wz54.htm for more information. The compression method used for this file is 98. error: no files were found - nothing to do

Their info states:

If you have files compressed with WinZip 10 (or later) PPMd compression and attempt to unzip the files with versions before WinZip 10 and WinZip Command Line Add-On 2.0.

So are you using a recent version of WinZip?
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#3
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#4
I've used Winrar for a very long time.... more versatile than winzip. XP and above have some native ZIP handling abilities.... although I dont use them
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#5
I second 7z. So useful.
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Vague questions receive vague answers . . . . . .
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#6
yes I never realized how good 7zip was until my new job, we burn vmware images onto blue ray disks for people to take out to the field. we use 7 zip to compress the images and create 4GB files, it does take hours to compress but most tests show 7z is the fastest, and it has never crashed even with 200 gb files to compress and split.
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#7
Quote from komondor View Post :
yes I never realized how good 7zip was until my new job, we burn vmware images onto blue ray disks for people to take out to the field. we use 7 zip to compress the images and create 4GB files, it does take hours to compress but most tests show 7z is the fastest, and it has never crashed even with 200 gb files to compress and split.
Did you mean highest compression ratio rather than fastest? 7zip is as fast as the format allows, but lzma2 was never designed for speed.
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#8
I prefer WinRAR. it has worked for me over many years. I have a lifetime license so migrating to a different file compression option would be silly. I can't think of a reason why I would want to change now.
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#9
Quote from quotidian View Post :
Did you mean highest compression ratio rather than fastest? 7zip is as fast as the format allows, but lzma2 was never designed for speed.
It will depend on the highest compression it takes so long to compress the trade off is not worth it. Sometimes we use no compression and just use it to create 4GB files for us to burn.

I read a couple of comparisons of the different zippers and 7z pretty much came out on top.
http://www.howtogeek.com/200698/b...on-format/
http://www.tomshardware.com/revie...36-13.html
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#10
Quote from komondor View Post :
It will depend on the highest compression it takes so long to compress the trade off is not worth it. Sometimes we use no compression and just use it to create 4GB files for us to burn.

I read a couple of comparisons of the different zippers and 7z pretty much came out on top.
http://www.howtogeek.com/200698/b...on-format/
http://www.tomshardware.com/revie...36-13.html
Ah, good to know. If I want something compressed quickly, I typically use gzip. No one wants to seem to benchmark the two together though. The linux people tend to benchmark lzma instead (which is the underlying compression code from 7zip), and the windows people forget that .tar.gz is a thing.

Regardless, 7zip is a great tool. Open source, nag free, and solid. It's usually the only compression program I install on my windows boxes.
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#11
Another suggestion for 7zip
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#12
For me, if I can blink twice before my file is compressed. I'm OK with that.
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#13
Yet another vote for 7zip. Been using various compression tools for over twenty years, and it's the best, IMO. One of the first things I install on any system.
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#14
Having tested and used ZIP , RAR, & 7 for over a decade, I too recommend EITHER 7-ZIP or Winrar.
Basically there is no difference, although 7-ZIP does seem to be less familiar to most people who deal with shared, (READ: DMCA adjusted) SW.
Probably just a function of familiarity, since Winrar was around before 7-ZIP.
In fact, it's Anonymouse's opinion that the author of 7-ZIP just got tired of looking for a cracked version of Winrar all the time and decided to create an equally functional piece of Freeware.

Either way, you can't go wrong with the purely Freeware 7-ZIP or if you are willing to deal with the morality of it, using a cracked version of Winrar that allows for permanently activated free use. (The trial version of Winrar works for free for 40 days, if that helps.)

Winrar's authors are more than familiar with the fact that file-sharers all use a cracked version of their software & don't pay for it, (as are the authors of DVDFab), but they have enough people who decide to pay for a legitimate version that they are still making a butt-load of loot off what is essentially a piece of software written more than a decade ago and basically has become nothing more than a hobby to keep updated.
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Last edited by Anonymouse November 24, 2015 at 03:47 PM
#15
This problem occurs if the following conditions are true:
You can try to extract a compressed file that was created by using WinZip 10.
The computer on which you try to extract the file has an earlier version of WinZip installed.
WinZip 10 uses a compression method that is incompatible with some versions of Windows and with earlier versions of WinZip.
For more information about this error message, visit the following WinZip Web site:
https://www.fixtoolbox.com/zipfix.html Zip Fix Toolbox

Or follow these steps in WinZip 10:
Click File, and then click New Archive.
In the File name box, type the name that you want to use for the compressed file, and then press OK.
In the Add dialog box, select the files you want to add to the archive.
In the Compression box, select Maximum (portable), and then click Add.
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