Opening a GXW File

The GXW file type is primarily associated with GX Works2.

GXW	File extension: GXW
	File type:	PLC program file

What is a GXW file?

GXW files mostly belong to GX Works2. A GXW file is a specialized project file used in the programming of programmable logic controllers (PLCs) for industrial control.
These files are stored using the Microsoft Compound file format, which organizes several data streams within a single container. This design makes it possible to keep control logic, configuration settings, and wiring diagrams together in one file.
Key points compiled by FilExt.com include:

• Structure: Uses a compound file format to store multiple pieces of project data.
• Primary Function: Contains the control program for a Schneider Electric PLC system.
• Software Tools: Created and edited with GX Works2 and supported by GX Works3.
• Usage: Used by engineers in industrial automation to set up and modify machine control logic.

If you need more details or support, please check the Mitsubishi Electric website.
FilExt.com tip: Always use the appropriate GX Works software version when opening or editing these files to ensure data integrity.

How to open a GXW file

You need a suitable software like GX Works2 to open a GXW 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 GXW file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GXW file directly in the browser:. Just drag the file onto this browser window and drop it.

Online GXW Text Viewer

Choose your .gxw file to analyze

or drag and drop it here

Online File Viewer

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GXW file format:

If you can determine the file format, the associated program can also be determined. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). File extension, signature and file format must match; otherwise errors will occur when the file is opened. When there is a problem with a file, the first step to solving it is to determine the file format. Below is our analysis of the GXW files:

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

• 98% of all GXW files are based on the Microsoft Compound File format, which is also called Compound File Binary File format (CFBF or CFB) or OLE2 Compound Document format. This is a complex container format used by earlier versions of Microsoft Office and other Windows programs. The file signature of compound files is defined as D0 CF 11 E0 A1 B1 1A E1, so the first character of a file looks like "DOCFILE". The file contains several sections which are named like Project.gd2, _hdb, checkout.xml, dataprotection.xml, history.xml, label.xml, labellink.xml, projectdatalist.xml, projectlist.xml, securitylevel.xml, storedhistory.xml and user.xml. A typical file size is 1 MB. The file type is relatively new. Files like these have the following tags: program, machine, backup, upload, auto, line, conveyor and ladder.

The remaining 2% of all GXW files are files with no common format. They are often associated with control, welding, loader or vaja. If you want to find out which format your GXW file belongs to, just click on the button "Choose your .gxw file to analyze".