.3DL File Extension

File Type:
iGO Landmark File

Having trouble opening .3dl extension? Don't panic! This page explains what 3dl files are as well as suggests programs you may use to open 3dl files. You can download these programs through this page.

What is a 3DL file?

3dl file extension has iGO Landmark file type, developed by NNG, which is associated with the "gis files" category.

Used by iGO navigation software, 3DL files usually provide landmarks as well as include locations along with proper metadata. Saved alongside .3DC files, 3DL files can be found in the \iGO\content\building\directory within the storage card of the navigation device. 

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

3dl file icon
File Type:
iGO Landmark File
GIS Files

How to open 3DL file?

Double click the 3dl 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 .3dl 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 3dl 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 3dl 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 3DL files

  • Windows Windows
    • Transfer to an NNG device via USB connection Transfer to an NNG device via USB connection

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 3dl file as well. Download Universal File Viewer for your OS.

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