How to open OS/2 Planner file data .$d$ files
Have you had trouble opening the $d$ file on your computer? What are $d$ files? We explain what they are and recommend software that we know will open them.
What is $d$ file?
A $d$ file extension is related to the OS/2 Planner and used for its data files.
OS/2 Planner file data 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.
Suggested software to open $d$ file
An older computer operating system developed by IBM for PCs