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Details of the .mol2 file extension

The table below provides useful information about the .mol2 file extension. It answers questions such as:

  • What is the .mol2 file?
  • What program do I need to open a .mol2 file?
  • How can the .mol2 file be opened, edited or printed?
  • Where can I find the specifications for .mol2?
  • Which MIME-type is associated with the .mol2 extension?
  • How can I convert .mol2 files to another format?
  • What are other, similar filename extensions to .mol2?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

.mol2 file extension details

Tripos Mol2 Format File

Tripos Mol2 Format File .mol2 file icon
MOL2 file is a Tripos Mol2 Format File. A Tripos Mol2 file (.mol2) is a complete, portable representation of a SYBYL molecule. It is an ASCII file which contains all the information needed to reconstruct a SYBYL molecule.
Category: Data files
Application: Open Babel
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
MOL2 aliases:
MOL2 related links:
MOL2 related extensions:
AMBER Prep Format File

Viewmol Data

Other types of files may also use the .mol2 file extension.

.mol2 file extension error

The .mol2 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:


Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Music Module List
MDL Molecule File
open .mol2 file

Can't open a .mol2 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .mol2 file association, check the FAQ.

.mol2 file extension

Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .mol2 file extension, write to us!

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