PLAN File - opening and understanding

Did your computer fail to open a PLAN file? We explain what they are used for and recommend software that we know can open or otherwise handle your .PLAN files.

What is a PLAN file?

A .PLAN file is a Chief Architect plan file. Through our analysis of PLAN files, we know that one use of the format is Chief Architect plan. 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 PLAN files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension PLAN for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different PLAN openers which you will find listed below.

Other file formats using extension .PLAN

While Chief Architect plan is a popular type of PLAN-file, we know of 3 different uses of the .PLAN extension.

The PLAN file extension indicates to your device which app can open the file. However, different apps may use the same file extension for different types of data. So a PLAN opener may not be able to open all kinds of PLAN files. In this case, look through all formats to make sure you find the best suited PLAN viewer.

Home Designer plan

Through our analysis of PLAN files, we know that one use of the format is Home Designer plan. 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.

While we have not verified the apps ourselves yet, our users have suggested 10 different PLAN openers which you will find listed below.

MaxiPlan spreadsheet

Through our analysis of PLAN files, we know that one use of the format is MaxiPlan spreadsheet. 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.

While we have not verified the apps ourselves yet, our users have suggested 10 different PLAN openers which you will find listed below.

Various viewers for this file format

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

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