A daily updated filename extension database!

JR file extension

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

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

✅ JR Source Code

JR Source Code .jr file icon
JR file is a JR Source Code. The JR programming language extends Java to provide a rich concurrency model, based on that of the SR concurrent programming language.
JR format description not yet available
Category: Development files
Application: JR
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
JR aliases:
JR related links:
JR related extensions:

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

🚫 The .jr file extension is often given incorrectly!

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

hr, ir, jd, je, jg, jt, kr, mr, ur

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

JG G-code Data
Crestron BPC-HPLIR IR File
JT Open 3D Model
Jigsaw Terminal Data
Appian Server Data
Doclava Javadoc Template
Ur Source Code
JDownloader Data
TRS 80 Image
Mapped Read Format Data

🔴 Can't open a .jr 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 .jr 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 .jr file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文