PMDX file icon

PMDX File Extension

PlanMaker Spreadsheet Format

What is PMDX file?

Spreadsheet files with the extension .PMDX are saved by the PlanMaker program from the SoftMaker Office suite. They allow for data storage similarly to MS Excel or Open Office spreadsheets. This format has replaced the older PMD version. SoftMaker software is available for Linux, MacOS, Windows, and Android platforms. PlanMaker maintains compatibility with Excel and can also save files in the XLSX format. This format has been the default save format for the software since 2021.

What Can .PMDX Files Contain?

The PlanMaker Spreadsheet file format is proprietary. Thus, it is only supported by dedicated software, and opening it in another requires prior conversion. A PlanMaker Spreadsheet file can comprise:

  • data contained in the grid’s cells - columns and rows,
  • cell formatting,
  • formulas,
  • charts,
  • multiple sheets in a single file.

Initially, .PMDX files were the default format for PlanMaker software. However, this changed in order to achieve better document portability. They are used to store various types of data, calculations, analyses.

Creation and Conversion of .PMDX Files

.PMDX files are saved as a result of work in the PlanMaker software. They store a spreadsheet that can be reopened, modified, and expanded upon. PlanMaker spreadsheet files can be created based on templates - templates. These templates were initially stored in files with the .PMV extension and later .PMVX, but PlanMaker also supports other formats. Furthermore, the program allows for the conversion of sheets from the native format to other commonly used formats.

Programs which support PMDX file extension

Below is a table that list programs that support PMDX files. Files with PMDX extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Programs that support PMDX file

Windows Windows

Updated: 03/22/2024

How to open file with PMDX extension?

There can be multiple causes why you have problems with opening PMDX files on given system. On the bright side, the most encountered issues pertaining to PlanMaker Spreadsheet Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Install PlanMaker software

Install software to open PMDX file Problems with opening and working with PMDX files are most probably having to do with no proper software compatible with PMDX files being present on your machine. The solution to this problem is very simple. Download PlanMaker and install it on your device. The full list of programs grouped by operating systems can be found above. The safest method of downloading PlanMaker installed is by going to developer’s website (SoftMaker Software GmbH) and downloading the software using provided links.

Step 2. Check the version of PlanMaker and update if needed

Update software that support file extension PMDXIf you already have PlanMaker installed on your systems and PMDX files are still not opened properly, check if you have the latest version of the software. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. The reason that PlanMaker cannot handle files with PMDX may be that the software is outdated. The latest version of PlanMaker should support all file formats that where compatible with older versions of the software.

Step 3. Associate PlanMaker Spreadsheet Format files with PlanMaker

If the issue has not been solved in the previous step, you should associate PMDX files with latest version of PlanMaker you have installed on your device. The method is quite simple and varies little across operating systems.

Associate software with PMDX file on Windows

Change the default application in Windows

  • Right-click the PMDX file and choose Open with option
  • Click Choose another app and then select More apps option
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the PlanMaker installation folder. Confirm by checking Always use this app to open PMDX files box and clicking OK button.
Associate software with PMDX file on Mac

Change the default application in Mac OS

  • Right-click the PMDX file and select Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • A message window should appear informing that This change will be applied to all files with PMDX extension. By clicking Continue you confirm your selection.

Step 4. Check the PMDX for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the PMDX file in question. It is probable that the file is corrupted and thus cannot be accessed.

Check PMDX file for viruses
1. Check the PMDX file for viruses or malware

Should it happed that the PMDX is infected with a virus, this may be that cause that prevents you from accessing it. Scan the PMDX file as well as your computer for malware or viruses. If the scanner detected that the PMDX 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 PMDX 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. If the PMDX file has been downloaded from the internet only partially, try to redownload it.

3. Check if the user that you are logged as has administrative privileges.

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the PlanMaker Spreadsheet Format file again.

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

If the system is under havy load, it may not be able to handle the program that you use to open files with PMDX extension. In this case close the other applications.

5. Check if you have the latest updates to the operating system and drivers

Latest versions of programs and drivers may help you solve problems with PlanMaker Spreadsheet Format files and ensure security of your device and operating system. It is possible that one of the available system or driver updates may solve the problems with PMDX files affecting older versions of given software.

Do you want to help?

If you have additional information about the PMDX 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 PMDX file.

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