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PREP file extension

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

  • What is the .prep file?
  • What program do I need to open a .prep file?
  • How can the .prep file be opened, edited or printed?
  • How can I convert .prep files to another format?

Table of Contents

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

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

✅ AMBER Prep Format File

PREP file is a AMBER Prep Format File. Assisted Model Building with Energy Refinement (AMBER) is a family of force fields for molecular dynamics of biomolecules originally developed by Peter Kollman's group at the University of California.
Category: Data files
Application: AMBER
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
PREP aliases:
PREP related links:
PREP related extensions:
Tripos Mol2 Format File

Viewmol Data

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

🚫 The .prep file extension is often given incorrectly!

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

pep, pfep, pre, prel, prp, rep

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

WinDev HyperFileSQL REP File
X-Plane Replay Data
Act! Report Data
SAP Business Objects Report
GTA San Andreas Game Replay
Kodak Preps Data
IBM Rational Rose Module Properties Data
TurboProject Project
PronoFoot Expert Plus Data
Lotus Freelance Graphics Presentation

🔴 Can't open a .prep 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 .prep file association, check the FAQ.

🔴 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 .prep file extension, write to us!

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