Opening RASMOL Files

The RASMOL file type is primarily associated with RasMol File.

RASMOL	File extension: RASMOL
	File type:	RasMol files

What is a RASMOL file?

RASMOL files mostly belong to RasMol File. (molecular graphics)

How can I open a RASMOL file?

You need a suitable software like RasMol File to open a RASMOL file. You need a suitable software like RasMol File to open a RASMOL file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your RASMOL file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a RASMOL file directly in the browser:. Just drag the file onto this browser window and drop it.

Online RASMOL Text Viewer

Choose your .rasmol file to analyze

or drag and drop it here

Online File Viewer

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What to Do When a .RASMOL File Fails to Open

Because .RASMOL files originate from different workflows, they aren't universally openable.

Identify the Source: These typically come from structural biologists or chemists sharing molecular data, suggesting the use of molecular modeling software.
Check the Header: Open the file in a text editor or hex viewer to inspect the first lines:
- Readable text like ATOM implies molecular coordinate data.
- Plain text commands indicate a saved visualization state.
- Unreadable binary suggests a compiled format.
Use the Original Software: The original program is usually required; try a RasMol File viewer like RasMol, Jmol, or PyMOL, and ask the sender if uncertain.
Use this Webpage: Drag and drop your file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for RASMOL File Extension

Related files:

pdb, gz, rasmolrc

a rasmol RasMol file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with RASMOL files

Associate the RASMOL file extension with the correct application.
Update your software that should actually open RasMol files. Because only the current version supports the latest RASMOL file format. Search, therefore, e.g. on the manufacturer website after an available RasMol File update.
To make sure that your RASMOL file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .RASMOL file online - secure, fast, and no downloads needed.