.477 File Extension

Sapper Oy
File Type:
MNS Shape Definition Companion File

Having trouble opening .477 extension? Don't panic! This page explains what 477 files are as well as suggests programs you may use to open 477 files. You can download these programs through this page.

What is a 477 file?

477 file extension has MNS Shape Definition Companion file type, developed by Sapper Oy, which is associated with the "gis files" category.

Associated with Master Navigation Software, GIS navigation program, the file is typically saved with a corresponding ESRI shapefile, which comes with the .SHP extension.

The file provides the type definition for the PROJ.4 cartographic projection info. .477 files are commonly required for putting various map features, including geographical boundaries, on a rendered map.

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

477 file icon
Sapper Oy
File Type:
MNS Shape Definition Companion File
GIS Files

How to open 477 file?

Double click the 477 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 .477 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 477 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 477 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 477 files

  • Windows Windows
    • Sapper Oy Master Navigator Software Sapper Oy Master Navigator Software

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 477 file as well. Download Universal File Viewer for your OS.

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