Open Financial Exchange

[3] Microsoft, Intuit and CheckFree announced the OFX standard on 16 January 1997.

[3] The specification allows for bank- and application-specific extensions, although only a subset is necessary to describe a financial transaction.

According to the main OFX site, "The specification is freely licensed, allowing any software developer to design an interface that will be supported on the front-end.

"[citation needed] In 2019, OFX's consortium joined Financial Data Exchange (FDX) consortium,[4][5] that manage nowadays OFX working group.

[5] The latest reference document (Functional Specification) describing the standard was published in October 2020, in version 2.3, by the FDX consortium's OFX working group.