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CAD tip CAD tip # 13891:

Question CAD 
 %  platform  category 
Q - question

How to remove personal data from a document (Properties)?

A - answer In the properties of the file, on the Details tab, I see a lot of my personal information. How to remove them and how to anonymize the file - e.g. a DWG file? The "Remove properties and personal information" link does not help.


In the case of DWG and other CAD and BIM files, these properties just reflect the current location of the file, they are not metadata stored in the file. When you copy the file elsewhere, these properties will show the new location and "ownership".

Personal data in the Windows Explorer sense is managed by default only for certain types of images and media files. There, you can remove the information you add (/tags, ratings, license...) in the way indicated:

explorer - anonymous?

For your CAD and BIM files, personal information may be rather stored internally, in the document content itself or in its CAD metadata - e.g. in the Author, Last Saved, Approved by, etc. properties (see e.g. DWGPROPS or iProperties).

Some information identifying the actual author may even be encrypted and hidden in an inaccessible part of the drawing and can be used to prove intellectual ownership of the project content (anti-theft protection) - see e.g. the DWGsign (for AutoCAD) or BIMsign (for Revit) applications and features.

100% Win10,Win11  CAD 
21.10.2023    1973×  
applies to: AutoCAD · Inventor · Revit · 3ds Max · Civil 3D ·

See also:
Tip 13938:ModDXF - utility for bulk modification/display of internal DXF properties in DWG entities.
Tip 13884:How to send e-mails with an iLogic macro?
Tip 13878:SelectSimilar - extended selections for AutoCAD, incl. LT and Web versions
Tip 13868:XrefStamp - create a dynamic list of xrefs in your DWG drawing.
Tip 13858:Is there also a SETBYBLOCK command?

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