Extendoffice - We create Microsoft Office add-ins

about_us

Welcome to Extendoffice.com

We create professional Microsoft Office add-ins.

Who we are...

Founded in 2008, Detong Technology Ltd.Hainan is a premier company offering professional Microsoft Office add-ins. Back to 2004, Lin Jie, the founder of the company, has launched Addintools.com to sell add-ins of Microsoft Office. At Detong, we create simple but powerful add-ins to improve and enhance Microsoft Office applications. Although our focus may be narrow and our task specific, with more than 4 years of research and development, we know it excellent software and excellent service is our goal.

What we do...

Our Software Solutions include:

Office Tab Series: bring the Tabbed Browsing in Microsoft Office 2003, 2007 and 2010. With this add-in, our users can easily handle multiple documents within a single window, using tabs for switching sets of documents, just like browsing the web page with Internet Explorer 8 or Firefox.

Kutools for Excel: It is a powerful and professional toolbox that frees you from performing time-consuming operations.

Kutools for Word: It is a powerful and professional Word add-in that frees you from time-consuming operations which majority of Word users have to perform daily!

Classic Menu for Office Series: bring back the Office 2003 Classic Menu and Toolbar in Microsoft Office 2007 and 2010. This add-in is becoming more and more popular among those users who prefer the Office 2003 Classic menu (menu styles).

There is more software in Extendoffice, and you can find them in Products center.

Where we are...

Detong Technology Ltd. Hainan located in the beautiful city Haikou, Hainan, China. Our headquarters have been designed with the environment and the well being of the Extendoffice team in mind. The building itself makes use of natural light and ventilation allowing the company to work in the most environmentally friendly manner possible.

Address: Rm.878, Haitiange, Banshan Garden, No.1, Jinmao Middle Road, Haikou, Hainan, China