Settings and options in the Co:Writer Universal Packaged app can be accessed through the icons on the top of the composing screen.
Book icon- Topic dictionaries and Other Dictionaries.
Image icon- Used to insert an image into your document.
Cog- Options to adjust Word Prediction, Text and Speak options.
Box with a right arrow- Export options.
Co:writer cloud- sleep/wakeup Cowriter.
A- Format settings for the document.
Circle with a plus- New document.