There are 8 other file types using
the DDF file extension!
.ddf - Bitstream Fontware data
.ddf - Spatial Data Transfer Standard and GRASS formats
.ddf - Diamond directive file
.ddf - Doom definition data
.ddf - GPS Pathfinder Office data dictionary
.ddf - Grand Theft Auto III game file
.ddf - ProWORX descriptor data
.ddf - SDTS topological vector profile
DDF file extension - Data definition
What is ddf file? How to open ddf files?
File type specification:
The ddf file extension is used for so called data definition files. These files were or still are in use in many different database management systems as well as other software programs.
The ddf file generally contains metadata for a database. Probably different formats, just same DDF file extension.
The default software associated to open ddf file:
Company or developer:
The Sage Group plc
Act! is contact and customer manager that helps you organize contact information, manage daily responsibilities, and communicate more effectively. The latest version is 17.
List of recommended software applications associated to the .ddf file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open ddf file, edit ddf file, convert ddf file, view ddf file, play ddf file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with ddf file - Data definition
Click on the software link for more information about Act!. Act! uses ddf file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
Microsoft Windows:
Main software associated with ddf file by default:
Act!
Other suggested software: ACDSee Classic
Sage MAS 90
Btrieve