Office Online is chrome extension that will help to view, edit and creates Office documents in browser. It creates Word documents, Excel, PowerPoint, OneNote, and Sway Online without needing Office installed.
This extension allows creates new documents or opening existing documents in browser. If you choose a document from the local disk, it will be first uploaded to Microsoft OneDrive account then you can able to edit or view documents.
This extension provides same interface of full office suite. After editing the document, you can choose to print it, save it on OneDriv or save a copy to the local disk.