PR file format description

Many people often share .pr files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .pr files. To address this issue, we have created this page to offer assistance and guidance on handling .pr files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .pr files.

Our aim is to simplify the process and promote seamless use of the .pr file format.

4 filename extension(s) found in our database.

.pr - Sun Icon/Cursor

The PR graphic files are related to XnView. The PR file is a Sun Icon/Cursor image.

Category:Graphic files
Magic:- / -

Sun Icon/Cursor related extensions:

  • $s ZX Spectrum Hobetta Image
  • 2bp Pocket PC Bitmap Image
  • 2d Amapi Image
  • 411 Sony Mavica Picture
  • 4bt GoDot Image
  • 73i TI-73 Bitmap

.pr - Squeak Project

The PR project files are related to Squeak. The PR file is a Squeak Project. The Squeak programming language is a Smalltalk implementation, derived directly from Smalltalk-80 by a group at Apple Computer that included some of the original Smalltalk-80 developers.

Category:Project files
Magic:- / -

Squeak Project related extensions:

  • changes Squeak Changes Data
  • image Squeak Image
  • morph Squeak MORPH Data
  • sar Squeak Archive
  • sqo Squeak Object
  • sts Squeak Source Code

.pr - Source Insight Project

The PR project files are related to Source Insight. The PR file is a Source Insight Project. Source Insight is a project-oriented programming editor, code browser, and analyzer for Microsoft Windows.

Application:Source Insight
Category:Project files
Magic:- / -

Source Insight Project related extensions:

  • zel Zelio Soft Project
  • pjh HyperLynx BoardSim Project
  • alp AnyLogic Project
  • sbz ArcSoft ShowBiz Project
  • dsf Dramatica Pro Project
  • rcx RedCine-X Project

.pr - Erosion 3D Precipitation Parameters Data

The PR data files are related to Erosion 3D. The PR file is an Erosion 3D Precipitation Parameters Data. Erosion 3D is a process model based on physical principles for forecasting the soil erosion in water catchment areas caused by naturally occurring single rain-showers or by a series of such precipitation events.

Application:Erosion 3D
Category:Data files
Magic:- / -

Erosion 3D Precipitation Parameters Data related extensions:

  • rtc BrainVoyager QX Regions-of-interest TC Data
  • hyp SmartWare HYP Dictionary Data
  • pdbx Insight II X-PLOR Coordinate Data
  • cnmt Nintendo Switch Content Metadata
  • udt wyUpdate Update Details File
  • mtml Meaningful Text Markup Language Data

Be careful.

It is important to understand that the .pr file extension is not limited to a particular set of applications. Other programs besides the intended ones can also use the .pr extension to create files. This includes potentially harmful programs or malware that may generate .pr files for various purposes. Be especially cautious with .pr files coming from untrusted or unknown sources.

Can't open a .pr 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 an extension, you receive the following message:

Select an app to open this .pr file

To set the .pr file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. Under the Default apps section, you will find various categories such as Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate, such as Photos for image files or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the desired app is not listed, click on More apps to see additional options or click on Look for an app in the Microsoft Store to search for apps in the Store.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set .pr file association. Many applications can open .pr files without requiring any specific file association to be set.

The .pr file extension is often given incorrectly

Based on searches conducted on our site in the past year, we have compiled a list of the most common misspellings. These frequent misspellings can cause confusion and hinder search accuracy. Our goal in providing this list is to help users find the right information more easily and enhance their overall search experience on our website.

These misspellings were the most common in the past year:

lr, pd, pe, pf, pg, pt, rp

Is it possible that the filename extension is misspelled?

There is a possibility that the .pr filename extension is misspelled. To assist users in identifying potential errors, we provide a list of similar file extensions in our database.

Filename extensions similar to .pr:

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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The verification conducted by the team ensures that the information presented is accurate, reliable, and thoroughly researched. Users can rely on as a trusted source of information, knowing that their team's dedication to verification and quality control provides a dependable resource for staying informed. is not liable for the content and accuracy of external links, even if we exercise careful control over them.

If you find the information on this .pr page useful, please feel free to link to this page. >> PR file