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Microsoft Office is an office suite of applications, servers, and services developed by Microsoft. It was first announced by Bill Gates on 1 August 1988 at COMDEX in Las Vegas. The first version of Office, released on 19 November 1990, contained Microsoft Word, Microsoft Excel, and Microsoft PowerPoint. Over the years, more applications have been added to the suite and the applications have been more unified.

The current version of Office is Microsoft Office 2019, which was released on 24 September 2018.



Microsoft Office for Windows started in October 1990 as a bundle of three applications designed for Microsoft Windows 3.0: Microsoft Word 1.1, Microsoft Excel 2.0, and Microsoft PowerPoint 2.0.

Microsoft Office for Windows 1.5 updated the suite with Microsoft Excel 3.0, and version 1.6 added Microsoft Mail for PC Networks 2.1 to the bundle.

Microsoft Office 3.0, also called Microsoft Office 92, was released on 30 August 1992 and contained Word 2.0, Excel 4.0, PowerPoint 3.0, and Mail 3.0. It was the first version of Office to be also released on CD-ROM. In 1993, the Microsoft Office Professional was released, which added Microsoft Access 1.1.

Microsoft Office 4.0 was released in 1993 and contained Word 6.0, Excel 4.0a, PowerPoint 3.0, and Mail.

Microsoft Office 4.2 for Windows NT was released in 1994 for i386, Alpha, MIPS, and PowerPC architectures, containing Word 6.0, Excel 5.0, and Microsoft Office Manager 4.2 (the precursor to the Office Shortcut Bar).

Microsoft Office 95 was released on 24 August 1995. Every program's version number was changed to 7.0 to create parity across the suite. It was a fully 32-bit version of Office meant for Windows 95. It was available in two versions: Standard (Word, Excel, PowerPoint, and Schedule) and Professional (every program in Standard plus Access).

Microsoft Office 97 (Office 8.0) included command bars, Natural Language Systems and grammar checking, and was the first version of Office to include the Office Assistant. In Brazil, it was also the first version to introduce Registration Wizard, a precursor to Microsoft Product Activation.

Microsoft Office 2000 (Office 9.0) introduced adaptive menus, where little-used options were hidden from the user. It also introduce a new security feature built around digital signatures to diminish the threat of macro viruses.

Microsoft Office XP (Office 10.0 or Office 2002) was released in conjunction with Windows XP. It introduced many major features: Safe Mode, which allows applications such as Outlook to boot when it might fail otherwise; smart tags; integrated voice command and text dictation capabilities; and handwriting recognition. It was also the first version of Office to require Microsoft Product Activation worldwide and in all editions as an anti-piracy measure.

Microsoft Office 2003 (Office 11.0) was released on 21 October 2003, with a new logo and two new applications: InfoPath and OneNote. Office 2003 provides improved functionality in many areas.

Microsoft Office 2007 (Office 12.0) was released to retail on 30 January 2007, with a new feature including a new graphical user interface called the Fluent User Interface, replacing the toolbars and menus with a tabbed toolbar knowns as the Ribbon. New XML-based file formats called Office Open XML were introduced, as was Microsoft Groove, a collaborative software application.






Unless stated otherwise, desktop apps are available for Windows and macOS.


  • Office Lens – an image scanner optimized for mobile devices.
  • Office Remote – turns the mobile device into a remote control for desktop versions of Word, Excel and PowerPoint.



  • Office Online
    • Word Online
    • Excel Online
    • PowerPoint Online
    • OneNote Online
    • – a free webmail service
    • – a public document sharing service where Office users can upload and share Word, Excel, PowerPoint, Sway and PDF files for others to discover and use.
    • OneDrive – a file hosting service that allows users to sync files and later access them from a web browser or mobile device.
    • Office Sway – a presentation web app
    • Delve – allows Office 365 users to search and manage their emails, meetings, contacts, social networks and documents stored on OneDrive or Sites in Office 365.
    • Office Forms – n online survey creator, available for Office 365 Education subscribers
    • Microsoft Bookings – an appointment booking application for Office 365
    • Microsoft Planner – a planning application for Office 365
    • Office 365 Video – a video sharing service for enterprise users with an Office 365 Academic or Enterprise license