BLF File

What are BLF files and how to open them

Are you having problems opening a BLF file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a BLF file?

A .BLF file is a Windows Common Log File System Data file.

BLF files are log files created by the Windows "Common Log File System" API. It provides a high-performance, general-purpose log file subsystem that client applications can use to optimize log access.

CLFS encapsulates all the functionality of the Algorithm for Recovery and Isolation Exploiting Semantics (ARIES), and any application that needs logging or recovery support can use CLFS.

How to open BLF files

Important: Different programs may use files with the BLF file extension for different purposes, so unless you are sure which format your BLF file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different BLF openers which you will find listed below.

Last updated: November 15, 2022

Various apps that use files with this extension

These apps are known to open certain types of BLF files. Remember, different programs may use BLF files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about BLF file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.