SolidWorks 2006 Bug, Deleting Configs does not change file size

Just had a part with 3000 configs, deleted them and went from a 50meg file to a 50meg file, huh?. Closed SW and it still was 50meg file with
one config, then I opened it and did a save as, it dropped to 1 meg, please fix SW, thanks. Try it out, SW2006 SP1. What did I do wrong?
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Nothing, I have drawings where I have deleted sheets and views, and the file size doesn't change. If you want to file size to change you have to save it as a new name.
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Can you believe it's not a bug but a "normal" consequence of Microsoft's "Structured Storage" file format used by SW? Try EcoSqueeze from www.ecocom.com and you'll ask the real question : why isn't it embedded in SolidWorks ? Philippe Guglielmetti
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You didn't do anything wrong. Sw utilizes a MS type of file structure called a Structured Storage File, or also called a compound file, that is really interesting to investigate. It's like a whole folder structure inside the envelope of one file. When you look at one of the files with a Structured Storage File viewer, it's like you walked into a whole new room that is just filled with doors to explore.
Anyway, when you delete stuff, and then save, SW doesn't eliminate the unused doors and their storage space. But it does when you do a save as. So you can do that, or you can use a couple programs that will do it for you. Unfrag is fast and easy to use, but it changes the file date to the current one. EcoSqueeze is also fast and easy and it gives you more options, such as maintain the file date. However, it also gives you the opportunity to do some things that maybe you shouldn't.
Now, be advised that the official SW position is that they don't support anything that modifies the file structure of a SW file. But I (and lots of others) have been using both programs for a long time with no apparent problems. Your choice.
WT

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Sad, but true.
If you had any autocad experience, "save as" is the closest thing we have to "purge" from the old days...
Before emailing files to clients, shops, etc., I often "save as", then "save as" back to the original name. It does wonders for the file size!
A hassle? Yes, but effective.
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compound file, that

Interesting, any "Structured Storage File viewer" we can download? TIA JM
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http://www.simple-sw.com/efsexplr.htm
Here's one, but I can't vouch for it - haven't used it.
WT
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the only one I know is http://secure.codeproject.com/macro/ssfview . asp. It's a plugin for Visual Studio... but it comes with source code to write your own "EcoSqueeze"...
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