Amateur Data Interchange Format

The Independent ADIF Site

ADIF 3 (.adi- and .adx-files)

The ADIF 3 specification is available in HTML-format here:

Older versions:


ADIF 2 (.adi-files)

The ADIF 2 specification is available in HTML-format here:

Older versions:

ADIF 2.2.5
ADIF 2.2.4
ADIF 2.2.3
ADIF 2.2.2
ADIF 2.2.1
ADIF 2.2.0
ADIF 2.1.9
ADIF 2.1.8
ADIF 2.1.7
ADIF 2.1.6
ADIF 2.1.5
ADIF 2.1.4

ADIF 1 (.adi-files)

Most vendors used to support the simpler ADIF 1 standard. The original ADIF V 1.0 specification is available in HTML-format here: