Files that contain the .gdb file extension are most commonly associated with the Borland InterBase database application.
The .gbd file extension is assigned to databases that have been created with the InterBase program prior to the 7.0 version of the software. InterBase 7.0 and later save these files with the .ib file extension rather than the .gdb file extension.
The ACT! software application also uses the .gdb file suffix. These files contain group data files that have been created by the program.
The Firebird software program and the Garmin MapSource application also use the .gbd file suffix for waypoint database files.
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