Kingsoft Office

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Kingsoft Office
Kingsoft Office logo.jpg
Kingsoft office 2013 screenshot.png
Kingsoft Office Freeware 2013
Developer(s) Kingsoft
Initial release 1988
Stable release 2013 (v.9.1.0) / December 31, 2013; 6 months ago (2013-12-31)
Written in CodeGear Delphi, C/C++
Platform Microsoft Windows, Linux, Android, iOS
Available in English, Chinese, Japanese, Vietnamese, French
Type Office suite
License Proprietary

Kingsoft Office (KSO or KSOffice) or WPS Office (an acronym for Writer, Presentation and Spreadsheets[1]) is an office suite for Microsoft Windows, Linux, iOS[2] and Android OS,[3] developed by now Zhuhai based Chinese software developer Kingsoft. Components include: Kingsoft Writer, Kingsoft Presentation and Kingsoft Spreadsheet.[4]

The basic version is free to use,[5] but a fully featured Pro version is also available. The current version is KSOffice 2013.[4]

The product has had a long history of development and success in China under the name "WPS" and "WPS Office", and under the "KSOffice" brand is attempting to spread into international markets. Since WPS Office 2005, the user interface is similar to that of the Microsoft Office products, and supports its documents besides its native format.


Early Days[edit]

WPS started as Word Processing System under DOS in 1988 by then Hong Kong based Kingsun, specifically for assisting with Chinese document processing in electronic automation. WPS maintained an large user base[citation needed] throughout the late 1980s to mid-1990s before Microsoft Word 95 and Windows 95 entered into Chinese market.

Faced with a competition from Microsoft, Kingsoft chief software architect Pak Kwan Kau (求伯君) invested 4 million Yuan of personal funding to develop WPS 97 for Microsoft Windows. In 1997, WPS 97 was released. The subsequent version of WPS 2000, was released two years later. Both products were developed for 16-bit Windows platform with the capability of running on 32-bit Windows platforms.

In May 2001, Kingsoft launched WPS Office which comprises word processor, spreadsheet and presentation applications. With WPS Office 2001, Kingsoft entered into the Chinese office productivity market.


In 2002, WPS Office 2002 surfaced as the next version of WPS Office and added to its bundle an email client. In a move hailed by many, WPS Office 2002 maintained interface compatibility with established office products and as a result dramatically reduced the amount of retraining required to migrate from Microsoft Office.

In 2003, WPS Office 2003 released. People familiar with Microsoft Office found easy moving to it. The Chinese government made Kingsoft office software the standard for various government branches.

The 2004 incarnation of the office suite, WPS Office Storm, was released in late 2004 to limited fanfare. In its increased effort to compete with Microsoft Office, WPS Office Storm claimed to offer perfect compatibility with the Microsoft Office document formats. Different from previous versions, WPS Storm was based on, and was the first to support platform other than Microsoft Windows. In a bid to differentiate itself from other office suites, Kingsoft collaborated with Intel and IBM to integrate their text-to-text and text-to-speech technology into WPS Office Storm. Its new technical capabilities became the focal point in an advertising campaign.

In late 2005, a completely redesigned WPS Office 2005 was released with smaller size. Besides the Professional edition, a free-of-charge edition was offered, in the hope of attracting more users. The personal edition was only offered in Simplified Chinese, licenced only to students and home users. A Wine-hosted edition was also provided for Linux users of WPS Office Storm.

In 2007, Kingsoft Office 2007 was released. Different from previous products, this is the first version trying entering into international market, with support English, Japanese besides native Chinese, for which it is still called WPS Office.

In 2009, Kingsoft Office 2009 was released which has increased compatibility with Microsoft Office including support for the 2007 version file formats. Kingsoft Office 2010 was released in 2010.

In 2011, Kingsoft Office was granted funding from the Chinese government[6] and received further orders from central ministries in China.[7]

Kingsoft Office Suite Free 2012 was released in 2011. Kingsoft Office Professional 2012 and Kingsoft Office Standard 2012 were announced for sale in February 2012,[8] in addition to Kingsoft Office for Android.[9]

On 28 March 2012 Kingsoft announced WPS for Linux was under development. It is the third WPS Linux product, following WPS Storm and WPS 2005. It was developed from scratch, based on the Qt framework, re-implementing its Windows counterpart as best possible.

Kingsoft Office 2013 was released on 4 June 2013. Both Office free 2013 and paid office software 2013 were released on the same day. The new version consists of three programs, i.e., Writer, Spreadsheets and Presentation similar to MS word, Excel and PowerPoint, with consistent focus on business and home users.[10] WPS for Linux Alpha 11 was released on 10 July 2013 and Linux Alpha 12 was released on 11 September 2013.

File format[edit]

.wps is the file extension used for Kingsoft Writer Documents. This extension is also used for Microsoft's Works Word Processor. The format is similar to a Microsoft Word document (.DOC or .DOCX file) and supports formatted text, images, and advanced page formatting. Kingsoft Writer documents can be converted to Microsoft Word *.doc files in the software.


See also[edit]


  1. ^
  2. ^ "Kingsoft Office for iOS to hit iPhones and iPads". Retrieved 11 January 2014. 
  3. ^ "Download Kingsoft free office app for Android". Retrieved 11 January 2014. 
  4. ^ a b "Professional Office Suite - Kingsoft Office Suite Professional 2013". Kingsoft office software. 
  5. ^ "Free Office suite 2012". Kingsoft office software. Archived from the original on 28 December 2008. Retrieved 22 January 2014. 
  6. ^ "Kingsoft office software: free office software, professional office software". Retrieved 11 January 2014. 
  7. ^ "Kingsoft WPS Office Receives Further Orders from Central Ministries". Free Online Library. Kingsoft Office Software Corporation Limited. 19 May 2011. Retrieved 11 January 2014. 
  8. ^[dead link]
  9. ^ "Kingsoft Office + PDF - FREE!". Google Play. Kingsoft Office Software Corporation Limited. 31 December 2013. Retrieved 11 January 2014. 
  10. ^ "Kingsoft Office 2013 has been released". Kingsoft Office. Archived from the original on 10 June 2013. Retrieved 22 January 2014. 

External links[edit]