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.

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