How do imbedded bitmaps effect file size of DOC's

S

Stan Hilliard

Word97 SR-1

I am trying to understand the relationship between the size of bitmaps
files and the amount that a .DOC file increases when the bitmaps are
imbedded.

I made a 9 page .RTF document containing 7 linked 16-color bitmap
pictures (BMP). The file size is of the RTF is 74 KB. The size of all
7 bitmaps combined is 550 KB.

When I save the RTF as a DOC file, its size is 3,600 KB. I suspect
that the bitmaps are now imbedded in the .DOC.

I saved the .DOC back to an .RTF -- the file size of the RTF is 3,600.

I had expected the final file size to be approximately:
74KG(text) + 550 KB(bitmap) = 624KB
Some conversions must be happening.

Question1: Why is the increase due to the imbedded bitmaps five times
more than expected?

Question1: What formats should I be using to obtain small file size?

(The bitmaps are screen shots of the menus of a software program --
for a user manual. I currently save them with [print screen and paste
them into Paint, and then save them as small 16-color BMP's.)

Information will be appreciated, Stan Hilliard
 

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