Second half of 2015
Office is a very important product for Microsoft and the company doesn't plan to abandon the desktop version anytime soon.
Word Excel and PowerPoint for free
Microsoft mentioned a new version of Office during its January Windows 10 update event and now it has shown what the new Office applications look like.
No longer in preview state
While Apple iOS users have been enjoying Microsoft Office for quite some time, the Android version of the Office suite has been limited to preview program users. As of today, Microsoft Office for Android for tablets is available to all users.
Edit and share Office files in Dropbox
Said not to include Outlook for Email
May arrive ahead of touch version for Windows 8
Graphics component in Word docs
All for Android
Editing said to require fee-based subscription
Planned for Spring of 2013 arrival