Editing Extension (section)

==Other uses==
* [[Agricultural Extension]]
* [[Browser extension]], a small software module for customizing a web browser
* [[Renovation|Building extension]]
* [[Continuing education]], or extension school, a school for continuing education
* [[Cooperative State Research, Education, and Extension Service]], a former division of the U.S. Department of Agriculture
* [[Extension (metaphysics)]], the property of stretching out or taking up space
* [[Extension (telephone)]], telephone line attached to a main line or to a PBX or Centrex system
* [[Extension cord]], power cable with a plug on one end and one or more sockets on the other end 
* [[Eyelash extensions]], material applied to eyelashes
* [[Hair extensions]], strands of hair added to existing hair
* Extension, the building of community capacity by outsiders, for instance [[agricultural extension]]
* [[Filename extension]], for computer file systems