CASCII File Extension
CACTVS Chemical ASCII Format
- File Type cascii
- Popularity
- Application Sublime Text
- Category Text Files
What is a CASCII file?
Files with the CASCII extension are specifically tied to CACTVS Chemical ASCII Format, a Text Files type, and there are 315 files in this category.
CASCII files are supported by Windows, Linux and Mac OS. If you need to open a CASCII file, you can use one of 2 programs, such as Sublime Text and Windows Notepad.
Programs that support CASCII files
How to open a CASCII file?
If you’re having difficulty opening a CASCII file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.
Sublime Text and Windows Notepad stand out as the preferred programs to manage CASCII files effectively. To install the latest version of Sublime Text on your computer, visit the Sublime HQ Pty website where you can download the version available for all operating systems.
After installation, your operating system should automatically open CASCII files with Sublime Text.
Set Sublime Text as the default CASCII handler
Choose an app to open a file on Mac
- Right click or use Control + left click on the desired CASCII file to launch the file options menu;
- Choose "Open in Application" and click "Other";
- Next, at the bottom of the window, you will see the "Enable" menu, in which "Recommended Programs" is selected by default;
- In this menu, select "All Programs", then find Sublime Text and check the box next to "Always open in the application."
Set default programs for Windows
- Start by right-clicking on your CASCII file, then select "Open With" and continue by clicking "Choose another app" from the options provided;
- In the pop-up window, find and select the Sublime Text application from the available options;
- Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening CASCII files.
Effective solutions for CASCII file problems
There are some common issues with CASCII files that can be resolved easily by making minor adjustments to your software. Below, you’ll find these issues along with practical troubleshooting tips.
What are the methods to detect if my CASCII file has been corrupted?
CASCII text files that have become corrupted may display one or more of the following symptoms:
- An unexplained increase in the size of the CASCII file;
- Trying to work with the archive in Sublime Text or other programs causes instability or program crashes;
- The file does not open correctly or displays error messages;
- While working with the file, error alerts are encountered;
- The file exhibits poor performance during editing operations in Sublime Text;
Why does Sublime Text crash?
Insufficient software updates can contribute to Sublime Text crash. To avoid this, make sure that you have installed the latest updates for Sublime HQ Pty products.
Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.
How to repair a corrupted CASCII file?
Open the damaged CASCII file in a recovery program and select the "Repair" menu item to start the repair operation. Please wait patiently for the recovery process to finish as it will automatically repair the damaged text files.
How to edit a CASCII file?
To make changes to CASCII files, you need specialized software that allows both opening and editing the text files. Online CASCII editors offer fewer capabilities than applications optimized for CACTVS Chemical ASCII Format.
Best CASCII editors 2026
Based on these criteria, we have prepared a list of available CASCII editors.
| CASCII Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Sublime Text | Sublime HQ Pty | Windows, Mac OS, Linux | 4.6 out of 5 (39 reviews) |
| Windows Notepad | Microsoft | Windows | 4.2 out of 5 (37 reviews) |