Chrome //
Extensions 
Chrome
Web store 
Office online OfficeWork for XLS DOC and PPT
Create and edit DOC, XLS and PPT files with an Office Suite online
Open Online Office Files
Open online documents (Word), spreadsheets (Excel), PDF, presentations (PowerPoint) etc. via online services.
Calligra online - office, graphics & email
Suite applications for word processing, spreadsheets, presentation and graphics with email client
Keyboard Launcher for MS Office Online™
Keyboard shortcuts to quickly launch Microsoft Office Online Apps: Word, Excel and PowerPoint.
FedEx Office® Print Online
Design & print presentations, flyers, posters and more using your Google Drive files