A shortcut to the big picture....
  • Quickly plan meetings and book rooms, catering and extra service in Outlook ®
  • Schedule meetings and plan projects
  • Integration to digital signage
  • Greet, inform and guide visitors
  • Free choice of hardware
  • Improved communication and branding
  • Video, streaming, flash, photo play list
  • Group calendar with efficient planning tools
  • Web based group calendar
  • Corporate standardized email signatures
  • Receptionist tools
Outlook Plugins | Outlook add ins
Latest News

New customer

After the implementation of our meeting room and resource scheduling software Resource Central and our meeting room signage software Digital Sign Service,we welcome Nando's in S [...]

Considering Office 365?

If you are thinking of implementing Office 365/Exchange Online, you can benefit from our new blog article describing Office 365. Our products Resource Central, Exchange Central [...]

CEO Statement

Customer satisfaction is important to me. I also acknowledge that it depends largely on the energy and efforts of all our employees and resellers, serving our customers in all corners of the world. We strive for the highest standards.

CEO, Peer Astrup



Phone: +45 7944 7000
Fax:+45 7944 7001

North America:

Phone:+1 (905)-655-9262
Email: info@add-on.com


Denmark: +45 7944 7002
Europe: +44 (0) 203 002 3889
North America: +1 (202)-536-4165