.CNM File Extension

File Type:
NoteMap Outline File

Having trouble opening .cnm extension? Don't panic! This page explains what cnm files are as well as suggests programs you may use to open cnm files. You can download these programs through this page.

What is a CNM file?

Cnm file extension has NoteMap Outline file type, developed by LexisNexis, which is associated with the "text files" category.

NoteMap Outline is a program for making outlines, which uses files with this extension to save text documents with an outline structure. This includes suggested plans, subpoints, topics, and other notes.

To learn how you can open the given file, read the information below.

cnm file icon
File Type:
NoteMap Outline File
Text Files

How to open CNM file?

Double click the cnm file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .cnm extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the cnm extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the cnm file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open CNM files

  • Windows Windows
    • LexisNexis NoteMap LexisNexis NoteMap

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the cnm file as well. Download Universal File Viewer for your OS.

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