How do I get Firefox to ignore the content type and use the extension to open a file?











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I am often emailed links to files on an internal website. These files all have a ".p4r" extension. When I click on the link, Firefox (v63) prompts me to download the file. I am not given the opportunity to specify a helper application.



The HTTP header for these files is misconfigured as text/plain, even though the files are really just zip files in disguise:



HTTP/1.1 200 Document follows

MIME-Version: 1.1

Server: NetApp//8.2.3P6

Date: Thu, 15 Nov 2018 16:47:55 GMT

Content-Length: 34443529

Content-Type: text/plain

Last-Modified: Thu, 15 Nov 2018 13:33:40 GMT

X-RBT-SCAR: 10.20.160.88:271585880:1000


The Firefox "applications" preferences panel does not include any way for me to add new file extensions.



How can I tell Firefox to open a specific application for .p4r files?






firefox mime-types







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    up vote
    0
    down vote

    favorite












    I am often emailed links to files on an internal website. These files all have a ".p4r" extension. When I click on the link, Firefox (v63) prompts me to download the file. I am not given the opportunity to specify a helper application.



    The HTTP header for these files is misconfigured as text/plain, even though the files are really just zip files in disguise:



    HTTP/1.1 200 Document follows
    
MIME-Version: 1.1
    
Server: NetApp//8.2.3P6
    
Date: Thu, 15 Nov 2018 16:47:55 GMT
    
Content-Length: 34443529
    
Content-Type: text/plain
    
Last-Modified: Thu, 15 Nov 2018 13:33:40 GMT
    
X-RBT-SCAR: 10.20.160.88:271585880:1000


    The Firefox "applications" preferences panel does not include any way for me to add new file extensions.



    How can I tell Firefox to open a specific application for .p4r files?






    firefox mime-types







    share|improve this question







    New contributor




    Timur Tabi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      up vote
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      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I am often emailed links to files on an internal website. These files all have a ".p4r" extension. When I click on the link, Firefox (v63) prompts me to download the file. I am not given the opportunity to specify a helper application.



      The HTTP header for these files is misconfigured as text/plain, even though the files are really just zip files in disguise:



      HTTP/1.1 200 Document follows
      
MIME-Version: 1.1
      
Server: NetApp//8.2.3P6
      
Date: Thu, 15 Nov 2018 16:47:55 GMT
      
Content-Length: 34443529
      
Content-Type: text/plain
      
Last-Modified: Thu, 15 Nov 2018 13:33:40 GMT
      
X-RBT-SCAR: 10.20.160.88:271585880:1000


      The Firefox "applications" preferences panel does not include any way for me to add new file extensions.



      How can I tell Firefox to open a specific application for .p4r files?






      firefox mime-types







      share|improve this question







      New contributor




      Timur Tabi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      I am often emailed links to files on an internal website. These files all have a ".p4r" extension. When I click on the link, Firefox (v63) prompts me to download the file. I am not given the opportunity to specify a helper application.



      The HTTP header for these files is misconfigured as text/plain, even though the files are really just zip files in disguise:



      HTTP/1.1 200 Document follows
      
MIME-Version: 1.1
      
Server: NetApp//8.2.3P6
      
Date: Thu, 15 Nov 2018 16:47:55 GMT
      
Content-Length: 34443529
      
Content-Type: text/plain
      
Last-Modified: Thu, 15 Nov 2018 13:33:40 GMT
      
X-RBT-SCAR: 10.20.160.88:271585880:1000


      The Firefox "applications" preferences panel does not include any way for me to add new file extensions.



      How can I tell Firefox to open a specific application for .p4r files?






      firefox mime-types




      firefox mime-types






      share|improve this question







      New contributor




      Timur Tabi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      share|improve this question







      New contributor




      Timur Tabi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      share|improve this question




      share|improve this question






      New contributor




      Timur Tabi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.









      asked Nov 15 at 16:50









      Timur Tabi

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      New contributor




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      New contributor





      Timur Tabi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.






      Timur Tabi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.



























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