Anyway, I can surely live with it.
Try this solution I ran across today.
Open the Terminal and paste in this:
defaults write com.apple.finder AppleShowAllFiles TRUE
killall Finder
This will show invisible files. Open the Office folder and you will see an
invisible file .DS_Store file in that folder.
Delete this file then resize the window.
To reset window size: Open a window, set it's size, position, and
preferences, then close it immediately. Reopening it now should retain size,
position, and preferences.
Now paste this in the Terminal to hide invisibles:
defaults write com.apple.finder AppleShowAllFiles FALSE
killall Finder
More on hidden files:
http://www.osxfaq.com/dailytips/02-2005/02-01.ws
Keeping my fingers crossed that it works.