MS Word was first released on 10-25-1983 under the name Multi-Tool Word for Xenix systems. Microsoft Word (MS Word) is a word processor developed by Microsoft. To change from a 32-bit version to a 64-bit version or vice versa, you need to uninstall Office first (including any stand-alone Office apps you. Tip: The 64-bit version is installed by default unless Office detects you already have a 32-bit version of Office (or a stand-alone Office app such as Project or Visio) installed.In this case, the 32-bit version of Office will be installed instead. Microsoft's suite of productivity software - including Word, Excel, PowerPoint, Outlook, Microsoft Teams, OneDrive and SharePoint - typically costs $150 for a one-time installation (as Office. One app for documents, spreadsheets, presentations, PDFs. Microsoft Office: Word, Excel, PowerPoint & More Android latest 16.0.6 APK Download and Install.