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Firefox appending xls to xlxs files at time of downloading a file

Firefox Instalacija a aktualizacije
jscher2000 -... jo wótgronił pśed pśed 8 lětami
SaiKiranP
SaiKiranP

We are using a java application to download excel file but at the time of downloading Firefox itself appending .xls extension to the .xlsx file

We are using a java application to download excel file but at the time of downloading Firefox itself appending .xls extension to the .xlsx file

Wšykne wótegrona (3)

WestEnd
WestEnd

That isn't a FF doing that is the site doing format if it comes with the newer MS extension then that is what it is. If you having problems from that site then you need to contact them about it.

Wót WestEnd změnjony

SaiKiranP
SaiKiranP Pšašaŕ

We don't have the issue using other browsers like IE and Chrome. only with Firefox.

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer

I assume you mean JDK on the server sending HTML/JavaScript/CSS to Firefox, and not a Java plugin applet (which no longer runs after Firefox 52 Extended Support Release).

Do you know what content-type header the web app is sending for XLSX files? I think these are preferred:

  • XLS: "application/vnd.ms-excel"
  • XLSX: "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"