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Highest Compression Program?

post #1 of 10
Thread Starter 
I have a hunch my files might soon be lost, and I am looking for a program that can provide the highest compression possible.

I have around 300-500gbs of files that I really would like to be preserved, and the program can be any price.

I don't know much about compression, but I am a fast learner so, if someone could drop me some hints at a program for Windows 64bit, I would be extremely thankful.

-XD
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post #2 of 10
7zip on the "Archive" setting for compression.
    
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post #3 of 10
Thread Starter 
Thanks, I will check that out...

Whats the max compression rate?
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post #4 of 10
It all depends upon the content you are trying to compress. Word-documents will compress the most, then picture/audio files. Video files will not compress much this way.
If these are documents you wish to archive, go ahead with winrar or sevenzip.
Otherwise, keep categorized folder architecture to save the files in a hdd partition.
    
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post #5 of 10
Thread Starter 
I am going to sound like a noob here, but I have to say this and look like a idiot.

I compressed 95mb folder which held .dat files, it compressed into less then a mb....

Is that even possible lol?
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post #6 of 10
Quote:
Originally Posted by leopold1985 View Post
It all depends upon the content you are trying to compress. Word-documents will compress the most, then picture/audio files. Video files will not compress much this way.

Not only this, but the 2 most popular file compressors, will difference in compression rates depending on the file type, so there is no better program when concerned with general file compression.

WinRAR and 7zip are the 2 most know and used programs. Just pick one and go for it.

Unless, however, there is a better solution to this, that I'm unaware of.
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post #7 of 10
Thread Starter 
I figured it was extremely like encryption, it's not the program it's how it does it, like AES on two different encryption programs will preform exactly the same.

I gotcha Dom.

Thanks guys.

--EDIT:

Alright one last question guys..

The bigger the solid block size results in a better or worse compression?
Edited by HappyDave - 3/2/11 at 4:36pm
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post #8 of 10
Theoretically it would provide better compression but would also require more time to compress. If all the files in the archive are of same file type, use the total size as one solid block, you will get best compression.
    
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post #9 of 10
I would suggest KGB Archiver and it can be found here.
http://kgb-archiver.software.informer.com/
post #10 of 10
Quote:
Originally Posted by MR KROGOTH View Post
7zip on the "Archive" setting for compression.
Yes, I read this somewhere on a comparison of compression programs. However it really depends on what type of files you are compressing, for instance I don't think .avi's can be compressed much without reencoding using lower bitrates.
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