What file is dwl?

dwl is a format related to CAD documents [.dwg], which means locked documents. This is a generated file of early CAD version software. When CAD exits illegally, it is easy to automatically generate dwg. A locked file with the same name but extension dwl.

The operating environment of this article: Windows 7 system, autocad2020 version, Dell G3 computer.

dwl is a format related to CAD document .dwg, which means locked document (where L=Lock).

This is a generated file of early CAD version software. When CAD exits illegally, it is easy to automatically generate a locked file with the same name as the dwg file name but with the extension dwl. Once this file is generated, your dwg file will not be able to be opened. You must manually delete the file before you can restore the dwg file.

The dwl file is a graphics lock management file used by early CAD versions r12, r13, and r14. After you open a picture, if you start another cad and then open this file, cad will prompt you this The file is in use or is read-only and can only be opened in read-only mode. You will be prompted and asked to confirm this opening method.

In the past, this work was managed by cad personally. A dwl file was generated in the drawing file directory to mark that the file was locked and automatically deleted when cad exited. Interestingly, if it exits abnormally (such as power outage, crash, etc.), cad will always prompt that it is being used by others, so the dwk and dwl files will be deleted.

Extended information

How to open the dwl file: directly change the suffix name of the DWL file to DWG to open it. For example: change the 123.dwl file to 123.dwg.

Of course, when we uninstall this program, the dwl file will not be generated. But once we use whohas, the program will automatically load unless you delete whohas.arx in the AutoCAD directory. Deleting the .DWL file will have no impact on the drawings.

In addition, when we download CAD, when CAD exits illegally, it is easy to automatically generate a locked file with the same name as the dwg file name but with the extension dwl. Once this file is generated, your dwg file will not be able to be opened. You must manually delete the file before you can restore the dwg file.

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