Opening BLG Files

The BLG file type is primarily associated with Performance Monitor.

BLG	File extension: BLG
	File type:	system performance log file

What is a BLG file

BLG files mostly belong to Performance Monitor by Microsoft. BLG file format is used to keep track of system resource usage in Windows machines.

Main Use: BLG files are log files that are created by Windows Performance Monitor application and other programs in the Windows OS. Specifications and logging functionalities linked to system performance present in BLG files can also be used by Microsoft Windows Administrative Toolsand Microsoft Relog applications. These files contain historical information concerning system resource usage by other user-driven programs and system processes. Detailed information such as the memory allocated for running foreground and background applications and the disk storage used by programs is also logged into the BLG files. These BLG files into CSV format by using "relog" in the command line of Windows machines.
Other Uses: BLG file extension is also used as a log file by BibTeX academic formatting software. BibTeX is used in describing and processing references to academic papers in a LaTeX typeset document. The BLG files are used to maintain the log of steps processed in a plain text format. This is useful to spot and fix errors later. BLG files can be opened using a standard text editor.

How to open a BLG file

You need a suitable software like Performance Monitor to open a BLG file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your BLG file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a BLG file directly in the browser:. Just drag the file onto this browser window and drop it.

Online BLG Text Viewer

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Programs that open and convert BLG files:

Performance Monitor by Microsoft
See the previous paragraphs to learn more about the main application. BLG files are often referred to as Performance Monitor data files because this type of file is primarily created or used by this software.
arcserve
arcserve is a data protection and backup solution which was developed by Cheyenne Software. The extension BLG is that of the file containing the backup log data created by the program. This file format is classified as Simple text file. Related links: arcserve Wikipedia page
BibTeX (log file) by Oren Patashnik
The file extension BLG belongs to a log file created by BibTex, a program used for processing bibliographic references in documents created by LaTex. The file is a data file where the information is stored in a plain text format and can be viewed using any text editor. This file format is classified as Simple text file. Related links: Developer Wikipedia page
OrCAD (log file) by OrCAD
OrCAD is a PCB (Printed Circuit Board) designing software. The files with extension BLG contain the log generated by this program. This file format is classified as Simple text file. Related links: OrCAD Wikipedia page

BLG file extension format:

A file format defines how the data in the file is structured. Each file format has a unique extension and almost always a unique signature. For example, Microsoft Word documents have the extension .docx and the signature (usually the first 3 characters in this file) PK. File extension, signature and file format must match; otherwise errors will occur when the file is opened. So a detailed analysis of a file is vital in order to determine the format and the associated program. Our analysis of the BLG files produces the following result:

The BLG file extension is rarely used and is mainly used by one program with a specific format. The file formats most commonly found in BLG files are:

75% of all BLG files belong to Microsoft Windows Performance Monitor Binary Log. If you open these files in a text editor, you will see only illegible characters. The file size is in the range of 130 KB to 25 MB. This file type is based on cutting-edge technology. Several words can almost always be found in the files, e.g. @tzres.dll. Examples of file names are DataCollector01.blg or System Monitor Log.blg. Such BLG files store data about performance and counter.

All other BLG files (25%) have different formats. If you want to find out what your BLG file contains, drag and drop it onto this page.

Technical Data for BLG File Extension

File classification:

Data

Related files:

bgl, snip, snp, zip, dbg, db, png

Related links:

Conversion

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: PerfFile, FileType: Performance Monitor File, AppName: Performance Monitor Command Line Shell
EXEFile: perfmon.exe

ProgramID: PerfFile
EXEFile: %SystemRoot%\system32\perfmon.exe %1

ProgramID: WinEdt.blg
EXEFile: %ProgramFiles%\WinEdt Team\WinEdt\WinEdt.exe %1

ProgramID: PerfFile
EXEFile: %SystemRoot%\system32\mmc.exe %systemroot%\system32\perfmon.msc /F

ProgramID: SAS.OutputLog.701
EXEFile: %ProgramFiles%\SAS\SAS9~1.1\CORE\SASEXE\SASOACT.EXE action

ProgramID: Diagnostic.Perfmon.Document
EXEFile: %SystemRoot%\system32\perfmon /sys /open

Show all 6 listings To Top

a blg system performance log file is a special file format by Microsoft and should only be edited and saved with the appropriate software.

How to solve problems with BLG files

Associate the BLG file extension with the correct application.
Update your software that should actually open system performance log files. Because only the current version supports the latest BLG file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available Performance Monitor update.
To make sure that your BLG file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
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