HGT File Extension

What is HGT file?

HGT is a file extension commonly associated with SRTM Elevation Data Format files. HGT file format is compatible with software that can be installed on Linux, Windows system platform. HGT file belongs to the GIS Files category just like 255 other filename extensions listed in our database. Users are advised to use ArcGIS Desktop software for managing HGT files, although 3 other programs can also handle this type of file. ArcGIS Desktop software was developed by Esri, and on its official website you may find more information about HGT files or the ArcGIS Desktop software program.

Programs which support HGT file extension

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

Problems with accessing HGT may be due to various reasons. On the bright side, the most encountered issues pertaining to SRTM Elevation Data Format files aren’t complex. In most cases they can be addressed swiftly and effectively without assistance from a specialist. The list below will guide you through the process of addressing the encountered problem.

Step 1. Get the ArcGIS Desktop

The most common reason for such problems is the lack of proper applications that supports HGT files installed on the system. This issue can be addressed by downloading and installing ArcGIS Desktop or different compatible program, such as SRTM Void Killer, VTBuilder, Terrain Viewer. The full list of programs grouped by operating systems can be found above. The safest method of downloading ArcGIS Desktop installed is by going to developer’s website (Esri) and downloading the software using provided links.

Step 2. Check the version of ArcGIS Desktop and update if needed

You still cannot access HGT files although ArcGIS Desktop is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why HGT files are not compatible with ArcGIS Desktop. The latest version of ArcGIS Desktop should support all file formats that where compatible with older versions of the software.

Step 3. Set the default application to open HGT files to ArcGIS Desktop

If you have the latest version of ArcGIS Desktop installed and the problem persists, select it as the default program to be used to manage HGT on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Change the default application in Windows

• Right-click the HGT file and choose Open with option
• Select Choose another app → More apps
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the ArcGIS Desktop installation folder. Confirm by checking Always use this app to open HGT files box and clicking OK button.

Change the default application in Mac OS

• By clicking right mouse button on the selected HGT file open the file menu and choose Information
• Find the Open with option – click the title if its hidden
• 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 HGT extension. By clicking Continue you confirm your selection.

Step 4. Verify that the HGT is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the HGT file in question. Problems with opening the file may arise due to various reasons.

1. Check the HGT file for viruses or malware

If the file is infected, the malware that resides in the HGT file hinders attempts to open it. Scan the HGT file as well as your computer for malware or viruses. If the HGT file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

Did you receive the HGT file in question from a different person? Ask him/her to send it one more time. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. It could happen the the download process of file with HGT extension was interrupted and the file data is defective. Download the file again from the same source.

3. Ensure that you have appropriate access rights

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the SRTM Elevation Data Format file again.

4. Check whether your system can handle ArcGIS Desktop

If the system is under havy load, it may not be able to handle the program that you use to open files with HGT 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 SRTM Elevation Data Format files. It may be the case that the HGT files work properly with updated software that addresses some system bugs.

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