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Opening A (Binary) File With An Unknown Extension (.MSG, .CAD) Using IE Opens File in the Browser Instead Of Prompting User To Download (Doc ID 1373257.1)

Last updated on MAY 23, 2022

Applies to:

Oracle WebCenter Content - Version 11.1.1.3.0 to 11.1.1.5.0 [Release 11g]
Information in this document applies to any platform.

Symptoms


When downloading the weblayout copy of a file with an unknown extension (.msg, .123) in Internet Explorer, the browser opens the file as plain text. For binary files, this will results in a page with unreadable content (garbage characters).

Downloading the same file in Mozilla/Firefox correctly prompts the end-user to download the file to disk.

A TCP/IP trace shows that the content-type (mime-type) is not passed to the browser in the HTTP response header:

HTTP/1.1 200 OK
Date: Wed, 02 Nov 2011 11:38:18 GMT
Accept-Ranges: bytes
Content-Length: 63488
Last-Modified: Wed, 02 Nov 2011 11:03:05 GMT
X-ORACLE-DMS-ECID: d5c391d61ed94bf0:-34f5058d:13363ebc50d:-8000-0000000000000a1c
X-Powered-By: Servlet/2.5 JSP/2.1

<file content>

Cause

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In this Document
Symptoms
Cause
Solution


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