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Contact Us

We appreciate your interest in our products and services. Help us respond quickly to your inquiry, by selecting the relevant field from the list below.

Technical Support

If you have any questions on or problems with the software, send an email to .

Order - Related Problems

If you have placed an order but have not received your registration details or a reply within 24 hours, write to us at . Please mention the order number (or Transaction ID of PayPal) or the name and e-mail address used at the time of placing the order.

Social Network

We are also very active on Facebook and Twitter. Follow us for the latest updates, fixes, posts or product releases. Write us your ideas and needs about our products because your opinion is very important for us. I hope you enjoy our software.

About Us

Founded in 2008, Addin Technology Inc. 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 7 years of research and development, we know it excellent software and excellent service is our goal.

Address: Room 1804, Building 5, Jinhai Square, Jinxiu Road, Haikou, Hainan, China