How does Windows 7 built-in zip compare to Winzip and WinWRAR?

Hello,

My boss wants me to run Wndows 7 buil-in zip compression but I am a believer that Winzip and WinRAR are better tools for zipping  data.  I feel that Windows 7 zip does not allow me to included muliple zip files into a singles zip like WinZIp or WinRAR can do.  Also there is no encryption that you can put on Windows 7 zip files.

Can someone give me some compelling reasons besides the ones above that I can use to justify purchasing Winzip or WinRAR over using Windows 7 zip?  Also,  I am not sure what makes Winzip different from WinRAR if someone can answer that for me.

Thanks
capt_morganAsked:
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Firmin FrederickSenior IT ConsultantCommented:
WinRAR is my next favorite in that it is realatively straightforward to use although it doesn't have the pretty bells and whistles of Winzip it is ultimately more superior!  If you're going to spend money I'd say yes to WinRAR :)
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mrklaxonCommented:
More support for different file types.
Better compression.
Interface provides better feedback/control.

On the other hand-
While there are "free" versions of many compression softwares - read the ULA.  WinZip for example is not free for corporate use.
Users may not be accostomed to using another software.  Not sure what your environment is like but in my case this wouldn't matter, they are just as likely to not understand Window's method either.
You will have another software to patch and manage.
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capt_morganAuthor Commented:
What the specifics differences between Windows 7 and say WinRAR?  I think WinRAR will compress zip files and extract them so I can just stick with comparing WinRAR to Windows 7.  I just need real specifics to justify me purcahsing it.
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HayborneCommented:
Winzip and the built-in winzip for windows are very similar. Either solution is better than winrar or 7-zip, as all modern windows OS have it built-in.
Saying that, I find 7-zip compresses files the best, but you do have to have the program installed on a pc to uncompress.
http://download.cnet.com/7-Zip/3000-2250_4-10045185.html
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Firmin FrederickSenior IT ConsultantCommented:
The built in file and folder compression as displayed by right clicking any .zip file is only designed with very basic "unzip" and extract to location functions.  It is extremely useful where .zip functionality is required but without the need for further installation of 3rd party apps.  As such it has no user interface or higher functionality such as password protecting archives, repairing archives, deletig files after extraction, and customisable compression ratios and compression algorith types (rar, zip, 7zip, iso).  

This is the key difference between your paid solution and your free one - the level of functionality and yes I believe 7-zip ranks number 1 and is completely free.
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capt_morganAuthor Commented:
7-zip sounds like the best solution but it does not extract out RAR files.  Would it be better to just buy WInRAR to do everything?
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mrklaxonCommented:
Specifics?
7-Zip supports - Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
Unpacking only: ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR and Z.

WinRAR supports - CAB ARJ LZH TAR GZ TAR.GZ BZ2 TAR.BZ2 ACE UUE JAR ISO 7Z Z (Unix compress)

7-Zip is free, WinRAR is not.
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capt_morganAuthor Commented:
Very helpful
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LeeTutorretiredCommented:
This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.
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