TRichView.com

Yes, that seems to be the case, that the document is loaded with UnicodeMode = Mixed.
Should it be changed to OnlyUnicode?

hello again
It looks like the extra size is caused by the "õ" letters in the text. The contents saved by trichview have almost always the same numbers around that letter, but the content copied from Word doesn't have them and is considerably smaller because of that.

Thank you for the answer

The file size problem appears when saving the rvf to a stream, we are storing them in a database.
calling DeleteUnusedStyles made the data a few kb smaller, but the file is a lot smaller when copied to word and back.

I have added examples from 2 files, this one is a part ...

My client is complaining that when they have large files, then they copy it to word and back and the file size becomes smaller.
For example I created a file, added a few pages of text, used lots of different fonts and the file was about 85k in size, when I copied the contents to word and back, the ...