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​ERROR: Cannot open file Open CAD Drawing DWG format

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  • #1

    ​ERROR: Cannot open file Open CAD Drawing DWG format

    I have dwg drawings made in AutoCad sent to me by e-mail, but when I save them on my pc, and open the dwg file I get following error: Cannot Open File. The file may not be a DWG or a DXF file, it may not be supported version of the DWG file format or it may be corrupted.

    If anyone have seen exactly this same error with same conditions, please let me know!
    Tags: autocad, dwg
  • #2
    Hello,

    Your best protection against this disaster is the AUTOMATIC SAVE feature. The interval between Automatic Saves is set on the OPEN and SAVE of the OPTIONS command.

    So how do you recover an Automatic save file? When you open AutoCAD after a crash the DRAWING RECOVERY MANAGER should display. If not, type DRAWINGRECOVERY and press ENTER.

    Backup files (BAK) and Automatic Save Files (SV$) that were found are displayed in the DRAWING RECOVERY MANAGER and can be reviewed and selectively recovered.

    It must be effective to you.

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    • #3
      Did you try to open your .dwg file in other versions of Autocad?

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      • #4
        If you're prepared, you can rename the .BAK file that is created every time you save your drawing (provided you didn't disable this feature). You can use MY COMPUTER to rename the .BAK file. Let's assume your drawing file is named PART.DWG.

        There should be a file named PART.BAK in the same folder as the drawing. Rename it to PARTBAK.DWG.

        Hint: You can't rename it to PART.DWG because that file already exists.

        So, you're unprepared…there is no .BAK file. You'd better hope there is a system backup of your file. If you didn't just start your drawing today, there may be a backup of your work. Is a backup performed on your computer or network? If not, you're in trouble. If so, track down the person responsible for setting up the tape backup and beg for help.

        The process for retrieving the file depends on your particular device and the software it uses. Information (files) on backup devices is compressed and stored in special file formats.

        The process of its working is shown at:- http://forums.autodesk.com/t5/autoca...e/td-p/5188673

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