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Windows 7: Can I make Open-With (other) application-list SMARTER? SupportedTypes

29 Mar 2016   #1

Windows 7 Ultimate 64bit
Can I make Open-With (other) application-list SMARTER? SupportedTypes

There are file types, and even groups of filetypes. Application's have enough understanding of what files they can open, but the OS is a little ignorant...

If I use 'Open With' on a text file, and look at other options, currently it's like this (AFTER resizing using the AMAZING ResizeEnable : )

From MSDN: How to Exclude an Application from the Open With Dialog Box for Unassociated File Types

Step 2:
The second way to prevent an application from appearing in the Open with dialog box is to use the SupportedTypes subkey to explicitly list the extensions of file types that the application can open. This prevents the application from appearing in the Open with dialog box for file types that it cannot open. It also causes the application to appear in the Recommended Programs list as discussed previously.
This method is particularly useful if an application can save a file as a certain file type but cannot open that file type. An application should also set the FOS_DONTADDTORECENT flag through IFileDialog::SetOptions when calling the Save dialog box. This keeps the item from being added to the Recent or Frequent portions of a Jump List. It also blocks the application from being tracked under OpenWithList.
Each supported extension is added as an entry under the SupportedTypes subkey as shown in the following example. The entries are of type REG_SZ or REG_NULL, with no associated values.

A quick regscan reveals this info is present for mspaint, but that doesn't stop it from appearing as an optional other app...

Not sure if there's any options here... thoughts?

Info was here

Added NoOpenWith to


to @ HKEY_CLASSES_ROOT\Applications

(I might write an auto-add regscript/batch, as apart from chrome {the omni app!}, and maybe vlc notepad++... everything else doesn't belong here)

After going beserk with New NoOpenWith strings, I learned that the trick is to set NoOpenWith after the association has been made...

So, for example, I deleted the new NoOpenWith for resTuner (@ HKEY_CLASSES_ROOT\Applications\restuner.exe), then opened an MUI with it (creating the legitimate association).... still that didn't work (restuner was again banned for MUI filetypes)...

Even after adding SupportedTypes (exe,dll,mui) for ResTuner, like Reshacker, IF I add NoOpenWith to restuner... OpenWith breaks...

Partial Solution, Happy enough for now

Open Unknown

Open .rtf

My System SpecsSystem Spec

 Can I make Open-With (other) application-list SMARTER? SupportedTypes

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