AutoCAD Drawing Lock File
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What is a DWL2 file?
A DWL2 file is a file used to lock a drawing created by AutoCAD, a program used to design 2D and 3D designs. It stores lock information when a drawing (.DWG file) is opened in the program. DWL2 files prevent simultaneous access by different users to a drawing, which may cause the file to become corrupted.
DWL2 files are not meant to be opened by a user. They are only intended to lock the associated DWG file from being opened. It only appears when a drawing file is opened, which is when AutoCAD creates a DWL2 file. The file is automatically deleted when the drawing is closed.