In June 2014, Google rolled out a dedicated website homepage for Docs, that contains only files created with the service. Users can access all Docs, as well as other files, collectively through the Google Drive website. Google Docs is available as a web application supported on Google Chrome, Mozilla Firefox, Internet Explorer, Microsoft Edge, and Apple Safari web browsers. In February 2019, Google announced grammar suggestions in Docs, expanding their spell check by using machine translation techniques to help catch tricky grammatical errors. At the same time, Chrome apps were released, which provided shortcuts to the service on Chrome's new tab page. In October 2012, Google renamed the Drive products and Google Documents became Google Docs. In June 2012, Google acquired Quickoffice, a freeware proprietary productivity suite for mobile devices. Improvements based on DocVerse were announced and deployed in April 2010. DocVerse allowed multiple user online collaboration on Microsoft Word documents, as well as other Microsoft Office formats, such as Excel and PowerPoint. In March 2010, Google acquired DocVerse, an online document collaboration company. In July 2009, Google dropped the beta testing status from Google Docs. On March 9, 2006, Google announced that it had acquired Upstartle. It began as an experiment by programmers Sam Schillace, Steve Newman and Claudia Carpenter, trying out the then-new Ajax technology and the 'content editable' function in browsers.

Writely was a web-based word processor created by the software company Upstartle and launched in August 2005. Google Docs originated from two separate products: Writely and XL2Web.

3.1.1 Collaboration and revision history.

Exporting to PDF and EPUB formats are implemented. Google Docs supports opening and saving documents in the standard OpenDocument format as well as in Rich text format, plain Unicode text, zipped HTML, and Microsoft Word. Updates have introduced features using machine learning, including 'Explore', offering search results based on the contents of a document, and 'Action items', allowing users to assign tasks to other users. An editor's position is highlighted with an editor-specific color and cursor and a permissions system regulates what users can do. Edits are tracked by user with a revision history presenting changes. Google Docs allows users to create and edit documents online while collaborating with other users in real-time. Google Docs is accessible via an internet browser as a web-based application and is also available as a mobile app on Android and iOS and as a desktop application on Google's Chrome OS. Google Docs is an online word processor included as part of the free, web-based Google Docs Editors suite offered by Google, which also includes Google Sheets, Google Slides, Google Drawings, Google Forms, Google Sites, and Google Keep.

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