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CAD tip CAD tip # 10097:

Question CAD 
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Q - question

Multiple applications with the same name in the "Open with" menu - which to choose?

A - answer When you open a CAD file (DWG, RVT, RFA, etc.) using the context menu, Windows offers multiple applications with the same name - e.g. different types of AutoCAD, different versions of Revit you have installed, etc. How to choose the right program version you want to run?

If you want to assign a fixed version of the launched application for the given file type (e.g. for RFA - Revit Family), assign the proper program in the Registry key - e.g.:


If you need to dynamically choose which version to run, rename the listed applications to more descriptive names. E.g. change the menu list:

Which app to launch?

To a better:

You can make it by adding the version number or other identification by changing the Registry key:

HKEY_CURRENT_USER\Software\Classes\Local Settings\Software\Microsoft\Windows\Shell\MuiCache

E.g. for the above illustrated modification:

EXE programs to start

Similarly you will also update the following dialog type:

Revits to open with

You can use this method also to assign office applications and file types, pictures, videos and other document types.

100% *  CAD 
14.11.2014    3319x  
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applies to: AutoCAD · AutoCAD LT · Revit · Inventor · Navisworks · DWG ·

See also:
Tip 10658:How to open a R/O DWG without the read-only warning?
Tip 10552:Which Revit version will open a RVT file on double-click?
Tip 10461:Unattended DWG plotting and PDF publishing without AutoCAD.
Tip 9937:Preset displaying of thread features in Inventor 2015 drawing views.
Tip 9451:Scene rendering run from Windows Explorer context menu.

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