NGG File Extension
Nokia Group Graphics Image Format
- File Type ngg
- Popularity
- Application Logo Express
- Category Raster Image Files
What is a NGG file?
Nokia Group Graphics Image Format, identified by the NGG extension, is a Raster Image Files type and includes 575 files.
NGG files are supported by Windows, Mac OS and Linux. You can view a NGG file using one of 4 programs, for example Nokia Suite, XnView and XnConvert.
Programs that support NGG files
How to open a NGG file?
The most common reason why a NGG file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.
The most popular programs for working with NGG files are Nokia Suite, XnView and XnConvert. To get the latest version of Logo Express, open the website where a universal installer for all operating systems is available.
Once setup is done, your operating system should assign Logo Express as the default app for NGG files.
Make Logo Express the default NGG viewer
Changing the default program in Windows
- Start by right-clicking on your NGG file and selecting the "Open With" option. From there, click "Choose another app" to continue;
- Inside the popup window, scroll through the list of applications and specifically choose Logo Express as the application to associate with your NGG file;
- Check the "Always use this app" checkbox and click "OK".
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired NGG file to access a dropdown menu of actions;
- Select "Open in application" and click "Other";
- Scroll down to the bottom of the window, where you will find the "Enable" menu. Default, "Recommended Programs" will be selected;
- In this menu, choose "All Programs" and navigate to Logo Express. Check the box next to "Always open in app" to make it the default program.
How to edit a NGG file?
To edit NGG files, you need to install specialized software that allows you not only to open but also to modify raster image files. Online NGG editors usually provide fewer features than software created specifically for Nokia Group Graphics Image Format.
List of Top NGG editors 2026
Following these criteria, we have put together a list of recommended NGG editors.
| NGG Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Logo Express | - | Windows | 4.2 out of 5 (42 reviews) |
Finding answers to NGG file problems
If you encounter issues with NGG files, don’t worry—most can be fixed with minor software adjustments. Refer to the troubleshooting tips below.
What are the signs that my NGG file is damaged?
Corrupted NGG raster image files may have one or more of the following symptoms:
- Poor performance when editing a file in Logo Express;
- Opening or processing the file in Logo Express or other programs causes instability or crashes in the program;
- The file shows errors when trying to open it or does not open completely;
- Unexpected expansion of the total size of the NGG file;
- Working with the file triggers the display of error messages;
Why does Logo Express quit or crash unexpectedly?
Logo Express crashes can be attributed to outdated software. Make sure you have installed the latest updates for developer products.
A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.
What methods can be used to repair a damaged NGG file?
Use a recovery program to open the damaged NGG file and navigate to the "Repair" menu item. Wait for the recovery process to finish, as it will automatically repair damaged raster image files.