Next version of Office heads to the browser[недоступне посилання] : [арх. 08.04.2014] / Ina Fried. — 2008. — 28 October. — Цитата: «Elop said that a technology preview of the browser-based products will come later this year and that a beta version will be released in 2009».
Microsoft Web Apps: Office Goes to the Web. — 2009. — 17 September. — Цитата: «Microsoft today announced the start of the Microsoft Office Web Apps Technical Preview program for consumers. Beginning today, a limited number of invitation-only participants will receive access to lightweight versions of Microsoft Word, Excel and PowerPoint on the Web».
Next version of Office heads to the browser[недоступне посилання] : [арх. 08.04.2014] / Ina Fried. — 2008. — 28 October. — Цитата: «Elop said that a technology preview of the browser-based products will come later this year and that a beta version will be released in 2009».