Microsoft Office 365 offers two versions – Online Version and Offline Version.
Nuance Dragon Naturally Speaking Premium 13
The all-new Dragon Professional Individual, v15 enables fast and accurate dictation, powerful transcription and mobility features to drive documentation productivity at work. Spend less time on documentation and more on business-critical tasks and put your voice to work today. Nuance Dragon NaturallySpeaking can save hours of labor-intensive typing by simply speaking. It can create documents around 3x faster than you can type.
Online versions of the Microsoft Office applications (such as Word, Outlook and Excel) through a web browser,Offline versions enables you to download desktop versions of the Office applications.
Offline version is suitable for all functions of Dragon Naturally Speaking.
The following Nuance Desktop products support dictation only when running Office 365 Online (Online Version):

Dragon Professional Individual
Dragon Legal Individual
Dragon Professional Group
Dragon Legal Group
Note: Full Text Control and Natural Language Processing (NLP) are not supported when running Office 365 Online.
The following Nuance Desktop products are not supported when running Office 365 Online:
Dragon NaturallySpeaking version 13 and earlier
PDF Converter Professional
OmniPage
PaperPort
Note: Nuance Desktop products may have application add-ins (such as toolbar buttons) that are typically enabled in Microsoft Office desktop applications to improve the experience. When running Microsoft Office Online, these application add-ins will not be enabled. Additionally, using Dragon to dictate into Office Online applications may require the use of the Dragon Dictation Box.

Nuance Dragon Naturally Speaking Support
To take advantage of all the features of Nuance Desktop products, we recommend using a local installation of Microsoft Office. Certain subscription plans to Microsoft Office 365 include the local desktop version of Microsoft Office
Dragon for Windows
Nuance Dragon Naturallyspeaking 14
| Dragon for Windows | Dragon | Dragon | Dragon |
|---|---|---|---|
| Up to 99% speech recognition accuracy right out of the box | |||
| Create, format and edit documents just by speaking | |||
| Create email and search the Web faster than ever using simple voice commands | |||
| Built on 'Deep Learning' speech engine that continuously adjusts to your voice | |||
| Listen back to dictated text | |||
| Optimised for touchscreen devices | |||
| Create and edit your spreadsheets with full text control in Microsoft Excel | |||
| Create custom voice commands for standard texts | |||
| Import/export custom word lists for your sector | |||
| Turn recordings into editable text | |||
| Automatically transcribe your recordings | |||
| Sync customizations with the Dragon Anywhere mobile app | |||
| Combine with the Nuance PowerMic for ease-of-use | |||
| Network managed licenses and volume discounts | |||
| Integrated legal terms specifically for legal professionals |

