PLAN File Extension

PLAN file icon
Calligra Plan Document
  • Developer
  • Popularity
    2.6 (3 votes)

What is PLAN file?

PLAN is a file extension commonly associated with Calligra Plan Document files. Calligra defined the Calligra Plan Document format standard. PLAN files are supported by software applications available for devices running Linux. Files with PLAN extension are categorized as Data Files files. The Data Files subset comprises 1258 various file formats. Calligra Suite is by far the most used program for working with PLAN files. On the official website of KDE e.V developer not only will you find detailed information about theCalligra Suite software, but also about PLAN and other supported file formats.

Programs which support PLAN file extension

The following listing features PLAN-compatible programs. PLAN files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

Programs that support PLAN file

How to open file with PLAN extension?

Problems with accessing PLAN may be due to various reasons. Fortunately, most common problems with PLAN files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the Calligra Suite

The main and most frequent cause precluding users form opening PLAN files is that no program that can handle PLAN files is installed on user’s system. The solution is straightforward, just download and install Calligra Suite. The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Calligra Suite website and download the installer.

Step 2. Check the version of Calligra Suite and update if needed

If the problems with opening PLAN files still occur even after installing Calligra Suite, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Calligra Suite is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. This can be one of the causes why PLAN files are not compatible with Calligra Suite. The most recent version of Calligra Suite is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign Calligra Suite to PLAN files

After installing Calligra Suite (the most recent version) make sure that it is set as the default application to open PLAN files. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

The procedure to change the default program in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the PLAN file
  • Select Choose another app → More apps
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where Calligra Suite is installed. Now all that is left is to confirm your choice by selecting Always use this app to open PLAN files and clicking OK.

The procedure to change the default program in Mac OS

  • From the drop-down menu, accessed by clicking the file with PLAN extension, select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • From the list choose the appropriate program and confirm by clicking Change for all....
  • A message window should appear informing that This change will be applied to all files with PLAN extension. By clicking Continue you confirm your selection.

Step 4. Check the PLAN for errors

Should the problem still occur after following steps 1-3, check if the PLAN file is valid. Being unable to access the file can be related to various issues.

1. The PLAN may be infected with malware – make sure to scan it with an antivirus tool.

If the file is infected, the malware that resides in the PLAN file hinders attempts to open it. Scan the PLAN file as well as your computer for malware or viruses. If the scanner detected that the PLAN file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

If the PLAN file was sent to you by someone else, ask this person to resend the file to you. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. It could happen the the download process of file with PLAN extension was interrupted and the file data is defective. Download the file again from the same source.

3. Verify whether your account has administrative rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the Calligra Plan Document file again.

4. Make sure that the system has sufficient resources to run Calligra Suite

The operating systems may note enough free resources to run the application that support PLAN files. Close all running programs and try opening the PLAN file.

5. Verify that your operating system and drivers are up to date

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Calligra Plan Document file. It may be the case that the PLAN files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the PLAN file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on PLAN file.

Top File Extensions
Show more
File Extension of the day
msf icon


Mail Summary Format

MSF file format is used by many mail user agents (email client applications) such as Mozilla Thunderbird. The file, however, doesn’t store em...