NCS File Extension

Bioware Aurora / Obsidian Electron Compiled Script
- File Type ncs
- Developer BioWare
- Popularity
- Application Star Wars: Knights of the Old Republic
- Category Game Files
What is a NCS file?
Bioware Aurora / Obsidian Electron Compiled Script, identified by the NCS extension, is a Game Files type and includes 1265 files.
With the creation of the Bioware Aurora / Obsidian Electron Compiled Script (NCS), BioWare introduced file format along with 10 programs built for their use.
NCS files are supported by Windows. You can others a NCS file using one of 3 programs, for example Star Wars: Knights of the Old Republic, Planescape: Torment and Icewind Dale.
File Signature
HEX code: 4E 43 53 20 56. ASCII code: NCS.V.
Programs that support NCS files
How to open a NCS file?
The most common reason why a NCS 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 NCS files are Star Wars: Knights of the Old Republic, Planescape: Torment and Icewind Dale. To get the latest version of Star Wars: Knights of the Old Republic, open the BioWare website where a universal installer for all operating systems is available.
Once setup is done, your operating system should assign Star Wars: Knights of the Old Republic as the default app for NCS files.
Make Star Wars: Knights of the Old Republic the default NCS viewer
Changing the default program in Windows
- Start by right-clicking on your NCS 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 Star Wars: Knights of the Old Republic as the application to associate with your NCS 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 NCS 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 Star Wars: Knights of the Old Republic. Check the box next to "Always open in app" to make it the default program.
Finding answers to NCS file problems
If you encounter issues with NCS files, don’t worry—most can be fixed with minor software adjustments. Refer to the troubleshooting tips below.
What are the signs that my NCS file is damaged?
Corrupted NCS game files may have one or more of the following symptoms:
- Opening or processing the file in Star Wars: Knights of the Old Republic 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 NCS file;
- Working with the file triggers the display of error messages;
Why does Star Wars: Knights of the Old Republic quit or crash unexpectedly?
Star Wars: Knights of the Old Republic crashes can be attributed to outdated software. Make sure you have installed the latest updates for BioWare 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 NCS file?
Use a recovery program to open the damaged NCS file and navigate to the "Repair" menu item. Wait for the recovery process to finish, as it will automatically repair damaged game files.




