RNC file icon

RNC File Extension

RELAX NG Compact Syntax Format

What is RNC file?

RNC filename suffix is mostly used for RELAX NG Compact Syntax Format files. Files with RNC extension may be used by programs distributed for Linux, Mac OS, Windows platform. RNC file belongs to the Developer Files category just like 1205 other filename extensions listed in our database. Users are advised to use Text editor software for managing RNC files, although 4 other programs can also handle this type of file.

Programs which support RNC file extension

The following list contains programs grouped by 3 operating systems that support RNC files. Files with RNC extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Programs that support RNC file

How to open file with RNC extension?

Being unable to open files with RNC extension can be have various origins. Fortunately, most common problems with RNC files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with RNC files.

Step 1. Download and install Text editor

Install software to open RNC file The main and most frequent cause precluding users form opening RNC files is that no program that can handle RNC files is installed on user’s system. This issue can be addressed by downloading and installing Text editor or different compatible program, such as Jing. The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Text editor website and download the installer.

Step 2. Update Text editor to the latest version

Update software that support file extension RNCYou still cannot access RNC files although Text editor is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. The reason that Text editor cannot handle files with RNC may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Text editor.

Step 3. Set the default application to open RNC files to Text editor

If the issue has not been solved in the previous step, you should associate RNC files with latest version of Text editor you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with RNC file on Windows

Selecting the first-choice application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the RNC file
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • Finally select Look for another app on this PC, point to the folder where Text editor is installed, check the Always use this app to open RNC files box and conform your selection by clicking OK button
Associate software with RNC file on Mac

Selecting the first-choice application in Mac OS

  • From the drop-down menu, accessed by clicking the file with RNC extension, select Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • If you followed the previous steps a message should appear: This change will be applied to all files with RNC extension. Next, click the Continue button to finalize the process.

Step 4. Verify that the RNC is not faulty

Should the problem still occur after following steps 1-3, check if the RNC file is valid. Being unable to access the file can be related to various issues.

Check RNC file for viruses
1. Verify that the RNC in question is not infected with a computer virus

Should it happed that the RNC is infected with a virus, this may be that cause that prevents you from accessing it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the scanner detected that the RNC file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

If the RNC file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. When downloading the file with RNC extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Log in using an administrative account and see If this solves the problem.

4. Verify that your device fulfills the requirements to be able to open Text editor

If the systems has insufficient resources to open RNC files, try closing all currently running applications and try again.

5. Verify that your operating system and drivers are up to date

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with RELAX NG Compact Syntax Format files. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle RNC files.

Do you want to help?

If you have additional information about the RNC file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on RNC file.

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