RTC File Extension
AutoCAD Civil Rating Curve Data Format
- File Type rtc
- Developer Autodesk
- Popularity
- Application Sublime Text
- Category CAD, CAM and CAE Files, Settings Files
- Format Binary
What is a RTC file?
The RTC file extension is linked to AutoCAD Civil Rating Curve Data Format and belongs to the categories of CAD, CAM and CAE Files and Settings Files, which include 1338 files.
The AutoCAD Civil Rating Curve Data Format (RTC) was developed by Autodesk, which created file format and 45 programs to work with them.
RTC file support extends to various operating systems, including Windows, Linux and Mac OS. To open a RTC file, you can choose from 7 programs such as Sublime Text, Atom and PSPad.
Programs that support RTC files
How to open a RTC file?
If you cannot open a RTC file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.
Thanks to their popularity, Sublime Text, Atom and PSPad are often the go-to programs for managing RTC files. If you need the newest version of Sublime Text, just access the Sublime HQ Pty website. From there you can download the installer compatible with all systems.
Once Sublime Text is installed, the OS should configure it as the default tool for opening RTC files.
Make Sublime Text the default RTC viewer
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired RTC file to access a dropdown menu of actions;
- Choose "Open in Application" and click "Other";
- Towards the bottom of the window, find the "Enable" menu, which is already set to the default option, "Recommended Programs";
- In this menu, select "All Programs" and search for Sublime Text. Check the box next to "Always open in app" to make it the default option.
Change a default app in Windows
- Start by right-clicking on your RTC file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
- Inside the popup window, scroll through the list of applications and specifically choose Sublime Text as the application to associate with your RTC file;
- Check the "Always use this app" checkbox and click "OK".
Finding answers to RTC file problems
If RTC files are giving you trouble, small modifications to your software can help. Check out the troubleshooting tips below to fix these issues.
What can lead to sudden Sublime Text crashes?
Insufficient updates for Sublime HQ Pty products can cause Sublime Text to crash. Be sure to regularly install the latest software updates.
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 is the recommended approach to repair a damaged RTC file?
Use a recovery program to open the damaged RTC file, and in the menu, click "Repair" to start the repair operation. Wait for the recovery process to finish as it will automatically restore the damaged cad, cam and cae files.
What are the ways to check if my RTC file is damaged?
Characteristics of corrupted RTC cad, cam and cae files can include:
- The file encounters problems during the opening process or shows error indications;
- Editing the archive in Sublime Text is hampered by poor overall performance;
- The file causes Sublime Text or other software to hang or crash during various operations;
- An unexplained increase in the size of the RTC file;
- Actions performed on the file result in the appearance of error notifications;
How to edit a RTC file?
To modify RTC files, you need to install special software that makes it possible to open and edit cad, cam and cae files. Online RTC editors are more restricted compared to software designed for AutoCAD Civil Rating Curve Data Format.
Best RTC editors 2026
According to these factors, we have compiled a list of available RTC editors.
| RTC Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| PSPad | Jan Fiala | Windows | 4.7 out of 5 (41 review) |
| Notepad++ | Notepad++ Team | Windows | 4.6 out of 5 (37 reviews) |
| 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) |
| Atom | - | Windows, Mac OS, Linux | 4.1 out of 5 (36 reviews) |