PLANNER File Type

- The quick facts

What are PLANNER files and how to open them

Are you having problems opening a PLANNER file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a PLANNER file?

A .PLANNER file is a Planner project file. Through our analysis of PLANNER files, we know that one use of the format is Planner project. We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

How to open PLANNER files

Important: Different programs may use files with the PLANNER file extension for different purposes, so unless you are sure which format your PLANNER file is, you may need to try a few different programs.

While we have not verified the app ourselves yet, our users have suggested a single PLANNER opener which you will find listed below.

Last updated: May 4, 2012

Suggest another file format using extension PLANNER

While we know of one file format using the .PLANNER file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .PLANNER file.

Various apps that use files with this extension

These apps are known to open certain types of PLANNER files. Remember, different programs may use PLANNER files for different purposes, so you may need to try out a few of them to be able to open your specific file.

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We have not verified any software that we know for certain will work with PLANNER-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with PLANNER-files. If you know one, please use the 'Suggest a program' link below and tell us about it!