Note: Full Text Control and Natural Language Processing (NLP) are not supported when running Office 365 Online. The following Nuance Desktop products support dictation only when running Office 365 Online (Online Version): Offline version is suitable for all functions of Dragon Naturally Speaking.
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.
Microsoft Office 365 offers two versions – Online Version and Offline Version.