RAT File Type

Written by:   |   Updated: December 05, 2018

Microsoft Silver

RAT File Summary

There are five file types associated with the RAT File Extension, with the most widely-observed being the PICS Rating File format. According to our database, seven distinct software programs (conventionally, Microsoft Notepad developed by Microsoft Corporation) will enable you to view these files. Although RAT files are traditionally categorized as Uncommon Files, they can also be Data Files or Compressed Files.

RAT files are found on both mobile and desktop platforms and can be opened using Windows, Mac, and Linux operating systems. RAT files have a "Low" Popularity Rating; this means that they are not present on most devices.

Please see the detailed information below to learn more about RAT files and the programs that can open them. In addition, we provide simple troubleshooting information to help you open your RAT file.

Low
Prevalence
1295
File Rank

/ 11690

Active

Mode

5

December

2018

Edited

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Known RAT Files

  5 known file types use this extension

Primary RAT File Association

.RAT
Extension:.rat
Classification:PICS Rating File

A file used by implementations of Platform for Internet Content Selection (PICS) Web rating system, which is used for rating websites based on the content. It is stored in plain text and shows categories to rate explicit material.

Developer: World Wide Web Consortium (W3C)
File Category:Uncommon Files
Registry Key: HKEY_CLASSES_ROOT\.rat

Software Programs That Open The PICS Rating File:


Microsoft Notepad by Microsoft Corporation

Windows
Mac
Linux

Notepad++ by Don Ho

Windows
Mac
Linux

Microsoft WordPad by Microsoft Corporation

Windows

Microsoft Content Advisor by Microsoft Corporation

Windows

Additional RAT Files

.RAT
Extension:.rat
Classification:RATS Data File

The file contains different data used bt RATS program for its internal purposes.

Developer: Estima
File Category:Data Files

Software Programs That Open RATS Data File Files:


RATS by Estima

Compatible with:

Windows
Mac
Linux
Unix
.RAT
Extension:.rat
Classification:Nimbus 7 SAMS Data File

The extension is associated with Nimbus 7 SAMS data

Developer: Open Source
File Category:Compressed Files

Software Programs That Open Nimbus 7 SAMS Data File Files:


Microsoft Notepad by Microsoft Corporation

Compatible with:

Windows
Mac
Linux

Notepad++ by Don Ho

Compatible with:

Windows
Mac
Linux
.RAT
Extension:.rat
Classification:Autodesk Rational Method Data File

The binary formatted file contains rational method data for CAD and CAM applications.

Developer: Autodesk, Inc.
File Category:Data Files

Software Programs That Open Autodesk Rational Method Data File Files:


Autodesk AutoCAD Civil 3D by Autodesk, Inc.

Compatible with:

Windows
.RAT
Extension:.rat
Classification:Microsoft Windows Rating System File

The RAT file contains Internet ratings and Local User Management DLL files for Microsoft Windows.

Developer: Microsoft Corporation
File Category:System Files

Software Programs That Open Microsoft Windows Rating System File Files:


Microsoft Windows by Microsoft Corporation

Compatible with:

Windows

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RAT Popularity


Leading Operating Systems

Windows 7 (48%)
Windows 10 (42%)
Windows 8.1 (5%)
Windows XP (2%)

Dominant Mobile Devices

Samsung (28.86%)
Apple (21.83%)
Huawei (9.25%)
Xiaomi (6.74%)
LG (3.11%)


RAT File Complications


Troubles Opening RAT Files

Microsoft Notepad Isn't There

You attempt to load your RAT file and get an error such as "%%os%% Can't Open The RAT File Extension". When this happens, it is commonly due to Microsoft Notepad missing in %%os%%. Because your operating system doesn't know what to do with this file, you won't be able to open it by double-clicking.


Tip: If you don't have Microsoft Notepad installed, and you know of another program to open your RAT file, you can try opening it by selecting from the programs listed under "Show Apps".


Incorrect Microsoft Notepad Version

Sometimes your installed version of Microsoft Notepad won't support your PICS Rating File file. Download the latest Microsoft Notepad version from the Microsoft Corporation website to ensure you have the correct one installed. Most of the time your PICS Rating File file was created by a newer Microsoft Notepad than what you have installed.


Tip: Right-clicking on your RAT, then clicking "Properties" (Windows) or "Get Info" (Mac), can provide clues about your file version.


Summary: In either case, the majority of problems opening RAT files are related to not having the correct software application installed on your computer.


Other RAT File Issues

Errors opening PICS Rating File files can still occur even with the latest Microsoft Notepad software installed on your computer. If you're still experiencing problems opening RAT files, there could be other computer problems. Additional factors include:

  • Windows Registry RAT file paths that are incorrect
  • Deletion of the RAT file description from the Registry by mistake
  • Corrupt install of Microsoft Notepad or other RAT-related program
  • RAT file corruption
  • RAT file integrity has been compromised by malware
  • Drivers associated with RAT software need to be updated
  • Your PC doesn’t have enough available resources to open the PICS Rating File file

Quiz: Which of the following is not a MIME type?








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