RGN File Extension

What is RGN file?

Full format name of files that use RGN extension is Garmin Regional Map Format. Garmin Regional Map Format specification was created by Garmin. RGN files are supported by software applications available for devices running Mac OS, Windows. RGN file format, along with 255 other file formats, belongs to the GIS Files category. Users are advised to use Garmin MapInstall software for managing RGN files, although 2 other programs can also handle this type of file.

Programs which support RGN file extension

The following list contains programs grouped by 2 operating systems that support RGN files. Files with RGN 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.

How to open file with RGN extension?

Being unable to open files with RGN extension can be have various origins. Fortunately, most common problems with RGN files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the Garmin MapInstall

Problems with opening and working with RGN files are most probably having to do with no proper software compatible with RGN files being present on your machine. This issue can be addressed by downloading and installing Garmin MapInstall or different compatible program, such as Garmin WebUpdater. The full list of programs grouped by operating systems can be found above. The safest method of downloading Garmin MapInstall installed is by going to developer’s website () and downloading the software using provided links.

Step 2. Verify the you have the latest version of Garmin MapInstall

If the problems with opening RGN files still occur even after installing Garmin MapInstall, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Garmin MapInstall is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. The reason that Garmin MapInstall cannot handle files with RGN may be that the software is outdated. The most recent version of Garmin MapInstall is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate Garmin Regional Map Format files with Garmin MapInstall

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

The procedure to change the default program in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the RGN file
• Select Choose another app → More apps
• Finally select Look for another app on this PC, point to the folder where Garmin MapInstall is installed, check the Always use this app to open RGN files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

• By clicking right mouse button on the selected RGN file open the file menu and choose Information
• Proceed to the Open with section. If its closed, click the title to access available options
• 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 RGN extension. By clicking Continue you confirm your selection.

Step 4. Verify that the RGN is not faulty

Should the problem still occur after following steps 1-3, check if the RGN file is valid. Being unable to access the file can be related to various issues.

1. Check the RGN file for viruses or malware

If the RGN is indeed infected, it is possible that the malware is blocking it from opening. Scan the RGN file as well as your computer for malware or viruses. RGN file is infected with malware? Follow the steps suggested by your antivirus software.

2. Ensure the file with RGN extension is complete and error-free

Did you receive the RGN file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with RGN extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Ensure that you have appropriate access rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle Garmin MapInstall

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

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

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with Garmin Regional Map Format files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle RGN files.

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