How can I get Firefox to open XML files in Notepad++ instead of in the browser
Solution 1
Holy cow! This issue drove me CRAZY all evening. I finally figured it out. I realize the original question was long ago, but I want this answer on the internet, so here goes:
Instead of adding an entry for XML, I had to update the extensions list for text/plain. Here is what the text/plain entry now looks like in my mimeTypes.rdf file. The file is located in the firefox profile folder, see firefox troubleshooting page (type about:support into the navigation bar) and under "Profile Folder" click on "Show Folder" then edit the mimeTypes.rdf file with notepad++.
<RDF:Description RDF:about="urn:mimetype:text/plain"
NC:description="Text Document"
NC:value="text/plain"
NC:editable="true">
<NC:fileExtensions>xml</NC:fileExtensions>
<NC:fileExtensions>txt</NC:fileExtensions>
<NC:handlerProp RDF:resource="urn:mimetype:handler:text/plain"/>
</RDF:Description>
<RDF:Description RDF:about="urn:mimetype:handler:text/plain"
NC:alwaysAsk="false"
NC:saveToDisk="false"
NC:useSystemDefault="false"
NC:handleInternal="false">
<NC:externalApplication RDF:resource="urn:mimetype:externalApplication:text/plain"/>
</RDF:Description>
<RDF:Description RDF:about="urn:mimetype:externalApplication:text/plain"
NC:path="C:\Program Files\Notepad++\notepad++.exe"
NC:prettyName="notepad++.exe" />
Solution 2
You must configure XML file types download action to achieve what you want.
More info here:
http://kb.mozillazine.org/File_types_and_download_actions
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ChrisB
Updated on September 18, 2022Comments
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ChrisB over 1 year
I don't want Firefox to display XML files internally, I want it to open Notepad++ instead.
I have had a look a the Tools\Options\Applications menu but there is no 'XML' content type.
I am using FF 3.6.2
Obviously this only applies to XML files that I click on in the browser, XML files opened from the file system do open in Notepad++.
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ChrisB almost 13 yearsThanks for the link. I have now added text/xml and application/xml mime types to the mimeTypes.rdf file in my profile. The xml type now shows up in the Tools\Options\Applications and I've set the handler to Notepad++ but when I click on an XML link it still opens in the default xml viewer. Is the default viewer overriding this setting or am I missing something? Thanks