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>> JFR file

JFR file format description

Many people share .jfr files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .jfr file can be edited, converted or printed with. On this page, we try to provide assistance for handling .jfr files.

1 filename extension(s) found in our database.

.jfr - JRockit Flight Recording File

JFR file is a JRockit Flight Recording File. Oracle JRockit is a comprehensive Java SE solution that includes a high-performance JVM, profiling, monitoring and 
diagnostics tools, and predictable latency for Java applications.

.jfr file format description:
JFR format
Oracle JRockit
Development files
- / -
JRockit Flight Recording File related links:
JRockit Flight Recording File related extensions:
JRockit Flight Recorder Template

Naturally, other applications may also use the .jfr file extension. Even harmful programs can create .jfr files. Be especially cautious with .jfr files coming from an unknown source!

Can't open a .jfr 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .jfr file extension is often given incorrectly!

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

fr, ufr, kfr, jtr, jfd, jcr, ifr, mfr, jvr, jrf, jdr, jbr

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Finalburn Alpha Movie Capture
JPEG Bitmap Image
JavaTest Results Data
JpgfDraw Drawing Binary
STK Frequency Information File
JavaView Configuration

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If you have useful information about the .jfr file format, then write to us!