CAD tip # 13891:

Question CAD
% platform category

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

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.

anonymous

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.

ACADInvRevitMaxCivil

Win10,Win11 CAD

21.10.2023 39782×

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applies to: AutoCAD · Inventor · Revit · 3ds Max · Civil 3D ·

See also:
Tip 14048:	List of disks, CD-ROM drives, USBs and other disk functions for LISP.
Tip 14039:	How to display the total volume or surface of 3D solids in DWG?
Tip 13996:	Automatic hide for Revit palettes - save screen space (undocumented).
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?

Selected tip: Making 3D DWG files smaller.

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