SDG File Extension
StarOffice Gallery Image Format
- File Type sdg
- Developer Oracle Corporation
- Popularity
- Application StarOffice
- Category Graphics Files
- Format Binary
What is a SDG file?
StarOffice Gallery Image Format, identified by the SDG extension, is a Graphics Files type and includes 556 files.
With the creation of the StarOffice Gallery Image Format (SDG), Oracle introduced file format along with 36 programs built for their use.
SDG files are supported by Windows, Mac OS and Linux. You can open a SDG file using one of 2 programs, for example StarOffice and XnView.
Programs that support SDG files
How to open a SDG file?
The most common reason why a SDG 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 SDG files are StarOffice and XnView. To get the latest version of StarOffice, open the Oracle website where a universal installer for all operating systems is available.
Once setup is done, your operating system should assign StarOffice as the default app for SDG files.
Make StarOffice the default SDG viewer
Changing the default program in Windows
- Start by right-clicking on your SDG 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 StarOffice as the application to associate with your SDG 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 SDG 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 StarOffice. Check the box next to "Always open in app" to make it the default program.
How to edit a SDG file?
To edit SDG files, you need to install specialized software that allows you not only to open but also to modify graphics files. Online SDG editors usually provide fewer features than software created specifically for StarOffice Gallery Image Format.
List of Top SDG editors 2026
Following these criteria, we have put together a list of recommended SDG editors.
| SDG Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| StarOffice | Oracle | Windows | 4.8 out of 5 (36 reviews) |
Finding answers to SDG file problems
If you encounter issues with SDG files, don’t worry—most can be fixed with minor software adjustments. Refer to the troubleshooting tips below.
What are the signs that my SDG file is damaged?
Corrupted SDG graphics files may have one or more of the following symptoms:
- Poor performance when editing a file in StarOffice;
- Opening or processing the file in StarOffice 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 SDG file;
- Working with the file triggers the display of error messages;
Why does StarOffice quit or crash unexpectedly?
StarOffice crashes can be attributed to outdated software. Make sure you have installed the latest updates for Oracle 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 SDG file?
Use a recovery program to open the damaged SDG file and navigate to the "Repair" menu item. Wait for the recovery process to finish, as it will automatically repair damaged graphics files.