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lower version files not opening in higher version

Anonymous

lower version files not opening in higher version

Anonymous
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we have dwg files created in 2011. these files opens in Autocad 2011 LT but not opens in 2016

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Michiel.Valcke
Advisor
Advisor
I'm using 2015, but don't find any error when I try to open the files

The first drawing does reveal 160 errors when using the _AUDIT command.
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FTSRoann
Alumni
Alumni

Dear Hakim,

 

The problem you are experiencing is due to incompatibility issues between AutoCAD versions, as the programmed language of AutoCAD changes time to time, when big changes are made to Operating Systems like MAC, Windows and Linux; therefore sometimes you may experience this type of probems. Please review the information on the link bellow, as is very important for the understanding of this differences between releases. 

AutoCAD drawing file formats


You can try to convert the .DWG files created on AutoCAD LT 2011 using
TrueView, this might help you convert the whole DWG file to a newer version, making all objects, blocks and attributes compatible with AutoCAD LT 2016. I want to be sincere and also tell you that TrueView , doesn't always recover all objects on the drawing to make them compatible if they are corrupted. On this kind of cases, the objects would have to be recreated from zero on the newer version of the AutoCAD file. I really hope for the information provided to help you. 

 

Mit freundlichen Grüßen,
Kind Regards,

Roann Knight
Technical Support Specialist
www.autodesk.com

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Alfred.NESWADBA
Consultant
Consultant

Hi,

 

welcome @forums.autodesk.com!

 

>> we have dwg files created in 2011. these files opens in Autocad 2011 LT but not opens in 2016

Sorry, something is not correct with your statement.

The files you uploaded start with AC1027 (in the file header)... and that means these files are saved in DWG2013-format. That means that these files were not written with AutoCAD 2011 and can't be opened with AutoCAD 2011. So what exactly happend with that files?

 

- alfred -

------------------------------------------------------------------------------------
Alfred NESWADBA
ISH-Solutions GmbH / Ingenieur Studio HOLLAUS
www.ish-solutions.at ... blog.ish-solutions.at ... LinkedIn ... CDay 2025
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(not an Autodesk consultant)
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FTSRoann
Alumni
Alumni

Dear Hakim,

Were you able to review the information provided? 

Mit freundlichen Grüßen,
Kind Regards,

Roann Knight
Technical Support Specialist
www.autodesk.com

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