How to open PLANNER file format? (Gnome Planner File)

When during your work you encounter a problem with the PLANNER file extension, it is mostly the lack of possibility to see its contents. Its full name is Gnome Planner File. The PLANNER file belongs to the Data Files category, and its structure has been developed by the The GNOME Project company. In order to open the PLANNER file, you must download appropriate software. You will find the applications supporting the PLANNER file at the following list. If you install one of the programs from the list, your problems with the PLANNER file should stop. If the information presented here does not resolve your problem, go to another page on the topic: .

Programs using this file extension

Windows

Mac OS

Linux