Did you find or received RULER file and your computer failed to open it? Below we will explain what is RULER file extension and how you can open it.

What is a RULER file ext?

RULER is a file extension associated with file in Apple II .

How to open a RULER file?

In most cases your computer should know what software program should be used to open different file types and extensions like RULER. When you double click on the RULER file format, it should open with appropriate software program. If you downloaded or received RULER files for the first time and your system failed to open it then try free file viewers available on the internet after doing enough research not to fall prey to malware.

How to fix errors with RULER files

Scan the file
Before trying to open RULER files on your Windows make sure that it is safe to do so by running through antivirus scanner.
Update
Unable to open RULER files with the associated software program or see an error than try updating the associated software
Do not
If none of the applications in your Windows were able to open RULER file do not change file extension because by changing file extension you are corrupting the file. In case you already changed the extension you can revert it back to RULER by renaming the file. Incorrect associations are the cause of many RULER file errors.

Finally, if Windows is unable to open file extension RULER you may have registry related errors or may not have the appropriate program installed. We strongly recommend that you run a registry scan.

You are currently viewing the detail page for RULER file ext. This page contains a detailed description of the RULER file type, software tools to help resolve file association errors in the Windows registry together with relevant system utility applications and other related information.