An open file format is a
file format for storing
digital data,
defined by an openly published
specification
A specification often refers to a set of documented requirements to be satisfied by a material, design, product, or service. A specification is often a type of technical standard.
There are different types of technical or engineering specificati ...
usually maintained by a
standards organization
A standards organization, standards body, standards developing organization (SDO), or standards setting organization (SSO) is an organization whose primary function is developing, coordinating, promulgating, revising, amending, reissuing, interpr ...
, and which can be used and implemented by anyone. Open file format is licensed with
open license. For example, an open format can be implemented by both