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Thread: Password Protect DWG File in AutoCAD

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    Default Password Protect DWG File in AutoCAD

    I am trying to write an AutoLISP program that will allow me to protect a DWG file using a password although I should be able to view the drawing but when any user will try to update anything in the file, they will need the correct password. Could you please guide me for the same? I am familiar with AutoLISP API and I would prefer to use it.

    Thanks!

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    Default Re: Password Protect DWG File in AutoCAD

    That's not really possible in AutoCAD... Password Protection was dropped after Acad 2016, and even then it was kinda useless.

    You could do something that might sorta work on your setup, but as soon as the drawing files goes anywhere, anything you kludge together would not work,

    Read-Only can be set with OS level permissions, but again, once it leaves your setup or network, that no longer works.

    For a non-editable deliverable, use DWF or PDF prints

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