Converting WMV files to QuickTime and file size

I have QT Pro and I have no problem doing a "save as..." for converting WMV files to .mov. I also have Flip4Mac converting the file to be viewed in QT first.
My question is that if I do a straight-ahead "save as..." it'll make the file's size about 25% larger. If I try to do "export" with default settings it takes far longer and I have an even larger file. I've also tried playing with different compression in QT to save these files and haven't come up with anything that works better. Is there a way to manage the file size so it's the same or smaller, not bigger?
Thanks in advance all!

File size is dicated by the bitrate of the file. From my review of (thousands) of WMV files there appears to be some compression in the WMV format that is not reapplied when save as to a MOV container is performed. You can see in get info the WMV file say 100MB has maybe 125-150MB of data when it is fully loaded in Quicktime.
Thus save as does not apply the WMV compression the same as native WMV is all I can assume and the new QT file (MOV container) is bigger than the source file is.
Exporting to any new QT format (say H264) is going to make a file that is dependent on the new QT bitrate you select but if it is higher than the bitrate shown in the Get Info Inspector box when the original WMV has been opened it will be bigger without a doubt. So if you have a 3Mb/sec WMV file that you export to 700 kb/sec for iPod basic it should be 1/4 of the size. Use 5Mb/sec fo Apple TV it should be 2/3 larger.
I rarely use QT Pro to export and when I do I don't use default settings. I prefer MPEG Streamclip which offers easier control of variables, batch file processing, deinterlacing and other things and it is free.

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I'm running snow leopard. The try to open any .mov file in Quicktime, and I get an error message that says, "The document xyz.mov could not be opened. The movie is not in a format that Quicktime player understands. I'm a recent upgrade to Snow Leopard.

I'm running snow leopard. The try to open any .mov file in Quicktime, and I get an error message that says, "The document xyz.mov could not be opened. The movie is not in a format that Quicktime player understands. I'm a recent upgrade to Snow Leopard.
Help!
Thanks, Mark

Unfortunately, the error message gives no details about what codec might be missing or what it needs.
If the file can't be opened in QT, it only means you cannot use the QT "Inspector" window to check what compression formats were used to create the file. It does not mean you can't use the Finder "Information" window to check on the compression formats or use a third party media information window (e.g., like VLC which will open many compression formats not supported natively by QT) to determine what kind of data is included in the MOV wrapper. If the file cannot be opened in any app, it is usually a good sign that the file itself is corrupted.
It's a stupid error message. Apple should do better than that.
Error trapping is quite extensive but there are still many areas which require human oversight. The message is telling you that either the container has a problem (e.g., not properly terminated, non-standard, or corrupted) or that one or more of the compression formats used is not supported by your current codec component configuration or that the data was encoded using non-standard settings or preferences not supported by QT or that the fourCC code does not match the data contained in the file or that there are timecode inconsistencies, etc., etc., etc. In short there are a near infinite number of possible problems for which it would be very difficult/nearly impossible to program error trapping depending on your sourcing of content and how you process it before it reaches the player app. Think of it like trying to play a BD disc in an DVD player.
I'll call Apple support when I get a chance.
Chances are good that they will end up sending you back here. In any case, it is often a good idea to post a sample file for examination by other QT users. At the very least, they should be able to tell you if the sample file will play on other systems which would indicate whether or not the file itself is bad and under the best of circumstances whould allow them to examing the file in detail for various common problems.

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What type of file is "Quicktime movie file"?

Hello,
I was looking at my collection and I see some movies/videos with the extention "Quicktime movie file" what type of file is this?
My guess is that it is H.624 but please confirm that.
Thanks
Jason

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http://developer.apple.com/documentation/QuickTime/QTFF/QTFFPreface/chapter1_section1.html

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Hi Leo,
I Guess you should first see if the file is being picked... for that do the following.
While configuring your Sender File Adapter, let the mode be DELETE. This way, we will know if the file is being picked by the File adapter. The file will be deleted and you can be sure that it has been picked up.
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<a href="http://help.sap.com/saphelp_nw04/helpdata/en/2b/d5653fd1d3b81ae10000000a114084/content.htm">Communication Channel</a>
<a href="http://help.sap.com/saphelp_nw04/helpdata/en/e3/94007075cae04f930cc4c034e411e1/content.htm">Configuring the Sender File/FTP Adapter</a>
<a href="http://help.sap.com/saphelp_nw04/helpdata/en/bc/bb79d6061007419a081e58cbeaaf28/content.htm">Configuring the Receiver File/FTP Adapter</a>
Receiver agreement:
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Sender agreement:
<a href="http://help.sap.com/saphelp_nw04/helpdata/en/db/73e03fc2269615e10000000a155106/frameset.htm">Sender Agreement</a>
<a href="http://help.sap.com/saphelp_nw04/helpdata/en/22/522041cfb7f423e10000000a155106/frameset.htm">Creating a Sender Agreement</a>
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<a href="/people/venkat.donela/blog/2005/03/03/introduction-to-simple-file-xi-filescenario-and-complete-walk-through-for-starterspart2">Introduction to simple (File-XI-File)scenario for starters part2</a>
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Abhy

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############################################################

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Converting WMV files to QuickTime and file size

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