Problem with file opening.

[Anonymous]

Dear all

        When I am opening my auto cad file getting invalid message 

please help me.

bellow i am attached  cad file

[tramber]

Must be a 2018 file. What you are not equiped with, are you ?

Did you try :

https://www.autodesk.com/products/dwg/viewers

DWGTrueview to convert it ?

[imadHabash · Accepted solution]

Hi,

usually this message appeared if your file is created in a newer version of AutoCAD or a damage has effect your file , please try to read more here . >> Click <<

Regards,

[martti.halminen]

Whatever those are, they are not AutoCAD .dwg files.

Try opening them with a text editor, Notepad or something like that: a .dwg file always starts with AC and four numbers, the rest may be unreadable.

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[Anonymous]

THANKS