Open $d$ file
Did your computer fail to open $d$ file? We explain what $d$ files are and recommend software that we know can open your $d$ files.
What is $d$ file?
A $d$ file extension is related to the OS/2 Planner and used for its data files.
$d$ file description
The $d$ file extension is associated with the OS/2 Planner, a tool for OS/2 operating system developed by IBM.
The $d$ file stores some kind of data.
The OS/2 Planner seems to be obsolete product without support from developer.