CAD tip # 2869:

Question CAD
% platform category

Error message: File was created by an incompatible version of AutoCAD.

or: Drawing file not valid, not a valid file

You are probably trying to open an AutoCAD 2009/2008/2007 drawing in AutoCAD 2006, an AutoCAD 2011 drawing in AutoCAD 2004, or an AutoCAD 2004 DWG file in AutoCAD 2000/2000i/2002 (generally: a newer DWG format in an older AutoCAD version). Or your DWG file is corrupted.

In the source AutoCAD version, re-save your file into a compatible (older) DWG file format (using the SAVEAS command or OPTIONS > Open&Save > Save As), or upgrade to the current version of your Autodesk product (e.g. 2015).

You can also use the offical DWG-version-converter (free) - "Autodesk DWG TrueView 2015" (see Download).

ACAD2010ACAD2008ACAD2004ACAD2000LT

* CAD

27.2.2003 87945× FAQ

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AutoCAD LT

applies to: AutoCAD 2010 · AutoCAD 2008 · AutoCAD 2004 · AutoCAD 2000 · AutoCAD LT ·

See also:
Tip 13849:	How to install a custom font in AutoCAD Web?
Tip 13800:	Visually compare 3D geometry in CAD and BIM files.
Tip 13784:	Export block coordinates to a table. How to use the DATAEXTRACTION command in AutoCAD LT?
Tip 13688:	How to select all DWG objects of a certain type in AutoCAD LT? (texts, circles...)
Tip 13683:	Limitations of the LISP language (AutoLISP, VisualLISP) in AutoCAD LT - what to watch out for

Selected tip: How to find all licences of AutoCAD on my network?

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DwgTextTranslator translates a series of drawings from one language to another using MS Access.
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