CAD tip # 3186:

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What are the .DWL files? Why are they created in the drawings folder?

DWL (DraWing Lock) files (DWL, DWL2) are temporary lock files created when a drawing file (.DWG) is opened, and if the "WhoHas" function is loaded. They can block concurrent access to that drawing file ("The file is locked by another application").

In AutoCAD version 2004 (and higher) this function is always used by default. You can unload (disable) it by deleting the Registry key

HKEY_LOCAL_MACHINE\SOFTWARE\Autodesk\AutoCAD\Rxx.x\ACAD-xxxx:yyy\Applications\AcadWhoHas

(first make a backup/export of it).

ACADACLTADTMap

*CAD

16.7.2003 94586×

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this tip shared by ARKANCE experts applies to: AutoCAD · AutoCAD LT · AutoCAD Architecture · AutoCAD Map 3D ·

See also:
Tip 3746:	How to find who (and since when) has my drawing open?

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