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CAD tip CAD tip # 9739:

Question CAD 
 %  platform  category 
Q - question

Size of a saved DWG file grows unexpectedly.

A - answer If your DWG file size increases a lot (compared to the originally opened file) when saved from AutoCAD (2012, 2013 or 2014) - up to multiples of the original size - it is most probably caused be processing of complex linetypes from a DGN file. Aply the DGN Hotfix - Download - and then run the DGNPURGE command.

Other causes of smaller increases of the DWG file size:

  • Setting an older version of the DWG file format as the default (e.g. DWG2000 in AutoCAD 2014) - see Options
  • Processing AEC objects - try the command -EXPORTTOAUTOCAD
  • Processing other proxy objects - see SAVEFIDELITY
  • Saving thumbnails in high resolution - lower THUMBSIZE (see the tip 8754)
  • The incremental save mechanism - see ISAVEPERCENT
  • Anonymous objects - perform PURGE (or see tip 9553)
  • The original drawing file is not in the genuine DWG format
100% *  CAD 
17.3.2014    26686×  

See also:
Tip 13938:ModDXF - utility for bulk modification/display of internal DXF properties in DWG entities.
Tip 13868:XrefStamp - create a dynamic list of xrefs in your DWG drawing.
Tip 13847:Pringles in AutoCAD - a hyperbolic paraboloid.
Tip 13740:Dynamic label with filesize of the current DWG file.
Tip 13737:Formatting leading zeros in AutoCAD fields (and automatic field update).

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