.BLF File Extension

File Type:
CLFS Base Log File

Having trouble opening .blf extension? Don't panic! This page explains what blf files are as well as suggests programs you may use to open blf files. You can download these programs through this page.

What is a BLF file?

Blf file extension has CLFS Base Log file type, developed by Microsoft, which is associated with the "system files" category.

Generated with Common Log File System (CLFS), the log file stores metadata required for managing access to the log data. Users may generate BLF file, using the CLFS (API). Base log files should not be removed or modified because they provide vital system data, including account settings, passwords, etc. .REGTRANS-MS is another file format, used for storing log information. 

To learn how you can open the given file, read the information below.

blf file icon
File Type:
CLFS Base Log File
System Files

How to open BLF file?

Double click the blf file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .blf extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the blf extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the blf file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open BLF files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the blf file as well. Download Universal File Viewer for your OS.

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