Existing users, 
I took the 172 KB quick start pdf that comes with it and did the drag and drop, using ultra and self extracting archiver. Then I did a get info on that and the size was 4.0 MB.
I'm guessing that's not a good idea, unless someone that you are sending it to has no application to expand an archive, and if that's the cause then I find it hard to believe that they would know how to turn a computer on, let alone use one.
Now I just tried the 172 KB file only on ultra and it took it to 144 KB. There was no difference in size from ultra to normal 144 KB. It appears that it's the same no matter what setting. The different settings decides for itself what format .rar .sit or whatever.
I wonder how well it works with AppZapper.
7zX
file archiver with high compression ratio
Version: 1.7.1
Ack
Feedback Type: Review
Contributed by: Ancient_Boii_Tribe Friday, March 14 2008 @ 12:14 PM PDT
Product Platform: MacOSX
Used Product For: Less than a month
Recommend Product: NO
Overall Rating:
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Price:
Huh? - FSCALC
>Now I just tried the [quick start] 172 KB file only on ultra and it took it to 144 KB.Okay. I did the same. I also archived that .pdf file also. The .zip file was 148 KB, which is 4 KB larger that the .7z file. The author says that 7zX will typically save 2-10% more than conventional zip compression. These number bear out that claim.
>There was no difference in size from ultra to normal 144 KB. It appears that it's >the same no matter what setting.
Those settings DO make a difference with larger files, especially, in my experience, with Excel documents and .tiff files. Your mileage may vary.
So, allow me to tally: the application apparently did not crash on you; you tested it on one file; it did exactly what it claimed to do, which is compress files; and, for this, you gave it 1 star? I am confused.
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Friday, March 14 2008 @ 06:03 PM PDT