You are right to be avoiding master/subdocuments.
URL: http://www.addbalance.com/word/masterdocuments.htm
URL: http://www.mvps.org/word/FAQs/General/WhyMasterDocsCorrupt.htm
URL: http://www.mvps.org/word/FAQs/General/RecoverMasterDocs.htm

Can you break your document up into a couple of files, though? BTW, what you
are describing is not a very long document for Word to handle, but that many
section breaks does make for document complexity. This makes the document
prone to corruption, so be very careful to make regular, separate, backups.
(Not to a floppy, though, from Word.)

Section breaks, themselves, hold a lot of information. When you break the
same as previous connection, you are forcing the addition of more
header/footer information for your section. Depending on how complex your
headers/footers are and how much direct formatting they contain (vs.
formatting using styles) this can add to your file size in a way that seems
disproportionate.

You may want to look at http://addbalance.com/usersguide/sections.htm and
http://word.mvps.org/FAQs/Formatting...thSections.htm for more on
sections and section breaks. I don't think you'll find the answers to your
specific questions, there, though. I trust you have already looked at
http://word.mvps.org/faqs/formatting...ioncontent.htm.

Sorry no solutions. Hope this is of some solace if not help.
--

Charles Kenyon

Word New User FAQ & Web Directory: http://addbalance.com/word

Intermediate User's Guide to Microsoft Word (supplemented version of
Microsoft's Legal Users' Guide) http://addbalance.com/usersguide

See also the MVP FAQ: http://www.mvps.org/word which is awesome!
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"Karen P" Karen wrote in message
...
Hi all,

I've searched here for an answer, but haven't found one. I am working in
a
fairly long (135 pages) document which requires many page orientation
changes, every few pages. I'm using Next Page section breaks, and headers
and
footers. The header and footer needs to change each time the page
orientation changes so I have to turn on and off "Same as Previous" often.
As I do this, the file size grows by several thousand K for every 5 or 6
"Same as Previous" changes. By the time I was up to 60 section breaks the
file had gone from 26,000 KB up to 132,000 KB!

The file size doesn't change when I change the amount of info in the
headers
or footers, I'm not adding any extra graphics or text to the document, and
this only happens when I click that option on or off. Just adding
sections
and changing page orientation doesn't change the file size by anything
appreciable.

I'm not allowed to turn the doc into Master and Sub docs, and can't save
all
the landscape pages for the end.

Serious good Karma goes out to the kind person who can help me!

Karen