How to open .PLAN file extension?

If you cannot open a new file that has been saved in the .PLAN format you need to download the appropriate software. The manufacturer of .PLAN files is Calligra; .PLAN files belong to the Data Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .PLAN files. Activities performed in the order described should solve the problems with all the files in the .PLAN format.

• What is .PLAN file?
• How to open .PLAN file?
• What is .PLAN file?