Unacceptable increase in file size when docx. saved and opened in Pages
I'm trying to assemble a Newsletter which consists mainly of contributions that are emailed from MS users. The docx files seem to grow significantly when opened. For instance a paragraph sent to me that converted to 710kb I re-typed at 154kb. The problem with all this is that the final assembled document with a bit of presentation word processing ends up slow to send and wasteful of the internet's resources, even when exported to a pdf - this is energy after all!
What's going on and is there a "cure".
iMac 21.5", macOS 10.13