A quick way to spoil a model in Autodesk® Revit® is to dump lots of DWGs into it. This will create all sorts of issues with bloated file size, low model performance, high chance of model corruption, distorted view extents, rounding errors and graphical glitches, to name a few!


Can’t we can just remove these DWGs then? Not quite, as with out-of-the-box Revit:


  1. You can’t see all linked & imported CAD files! Imported DWGs don’t show in Manage Links. They clutter up Imported Categories instead. Here, there is no way to find or delete them. Good luck finding them manually; they can be hidden, not loaded or just lying outside of the view’ crop boundaries!
  2. It’s hard to check if a “Current view only” DWG is redundant. There’s no quick way to tell if these are still visible in their parent views to delete them if necessary.
  3. You can’t purge linked or imported CAD files by type! Even after you have deleted all copies of a DWG, its type may still linger in Imported Categories under Vibilities & Graphic.


DWG Explorer addresses all these 3 shortcomings:


  1. You can instantly see all CAD files in your Revit project or family. These include DWGs as well as any other CAD file types Revit accepts such as DXFs, DGNs, SKPs or SATs. Each file will show if it is linked or imported, independent or view-specific. View-specific CAD files will show if they are still visible in their host views. If not, you know what to do!
  2. You can instantly select & show each CAD file in its view, delete it, or list all views & sheets where that file is visible. The app can then instantly open each of these views & sheets and zoom to the CAD file in question for you.
  3. You can directly delete CAD file names that show under VG > Imported Categories which may still be there even after you have removed all their copies from the model. This is also the quickest way to delete multiple copies of the same CAD file from Revit.
  4. You can delete object styles resulted from someone exploding a CAD file in Revit. This will help reduce the negative impact of exploded DWGs on your model performance.

DWG Explorer is available for Revit 2016 and later on the official Autodesk App Store.

Get DWG Explorer for Revit 2016

Get DWG Explorer for Revit 2017

Get DWG Explorer for Revit 2018

Have a try and get back some valuable free time to spend away from your Revit screen!



DWG Explorer is very easy and intuitive to use. However, a user instruction is below if you need it:

After installing DWG Explorer, you can launch it from Revit’s Add-Ins tab. Upon opening, the plugin will show the CAD INSTANCE REPORT. Here, you can see all CAD files in the model, each on one line along with its key properties.

To sort the report by a property, simply click on a column header.

To find the meaning of each parameter, refer to the Terminology window.

Click SHOW to select a CAD file & see it in a good view.

If you know for sure a CAD file shouldn’t be in the model, click Delete to remove it immediately. No need to know where it is or selecting its copies beforehand!

This is also how you can spot & delete Revit object styles resulted from someone exploding a CAD file while in the model. You will recognise these in our report by their exclamation mark icon in the File Type column. Another way to tell is if their names follow this format: [Original CAD file name].[CAD layer name]. These styles usually come in big groups as they are traces of a few same CAD files:


If you want the report to update as CAD files are added to or removed from the model, keep the “LIVE REPORT UPDATE” box checked. In big Revit models with lots of views and CAD files, you may want to clear this to reduce disruptions every time DWG Explorer re-scans the model.

To see which views and sheets show a particular CAD file, click the Find Views button on its line. You can then click the Open View button to open a view from the visibility report and have Revit automatically select & zoom to the CAD file in that view. Similarly, clicking the Open Sheet button will make Revit open the sheet containing the view of interest and select & zoom to the corresponding view port on that sheet.


To review CAD file types, switch to the second tab, CAD LINK TYPE REPORT. Here you can see on each line a CAD file type, the number of its instances in the model and then a button for deleting it.

You can, of course, undo the delete if necessary.

That’s all you need to master DWG Explorer! Let us know any questions you may have at support@rv-boost.com.

Autodesk, the Autodesk logo, AutoCAD and Revit are registered trademarks or trademarks of Autodesk, Inc., and/or its subsidiaries and/or affiliates in the USA and/or other countries.

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