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Basic information about OPLM file

When there is a problem with opening files with the file extension OPLM（*.OPLM or *.oplm）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the OPLM file yourself.

There are 1 file types using the OPLM file extension in our database. In the further part of this page, you will find detail information about all the OPLM file with their brief description and a list of programs that support OPLM file sorted by operating systems. The table below provides useful information about the OPLM file extension. It answers questions such as:
  • What is the OPLM file?
  • How to open a OPLM file?
  • What programs do I need to open a OPLM file?
  • What programs help to create and edit a OPLM file?
  • How to convert OPLM files to another file format?
  • How to convert another files to OPLM file format?


1.Detail information about OPLM file extension: Outline Processor Markup Language

File type Outline Processor Markup Language Category Developer Files
Developer N/A File format N/A
Description OPLM file is a Outline Processor Markup Language. OPLM is a file extension commonly associated with Outline Processor Markup Language files. OPLM file format is compatible with software that can be installed on Linux, Mac OS, Windows system platform. Files with OPLM extension are categorized as Developer Files files. The Developer Files subset comprises 992 various file formats. Windows Notepad supports OPLM files and is the most frequently used program to handle such files, yet 4 other tools may also be used. On the official website of Microsoft Corporation developer not only will you find detailed information about theWindows Notepad software, but also about OPLM and other supported file formats.
Software programs that will open, edit or convert OPLM files

Windows		 Microsoft Windows NotePad
NotePad++ text editor
Sublime Text

macOS		 TextEdit

Linux		 gedit



Can't open a OPLM file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.OPLM”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the OPLM extension without any issue.


Where I can download the application that support OPLM file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of OPLM files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a OPLM file?

The reasons for the lack of the ability to open a OPLM file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a OPLM file. If there is still something wrong, you might want to check:

  • Whether the OPLM file is damaged.
  • Whether the OPLM file is incorrectly linked in the registry entries.
  • Whether the OPLM file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the OPLM file format is incompletely.
  • Whether the OPLM file is infected.
  • Whether the drivers of the equipment used for opening a OPLM file are up to date.
  • Whether your computer has enough hardware resources to open a OPLM file.

If the OPLM file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.