Setting the option to ‘Strict’ adds ‘X-Download-Options: noopen’ to the header of the document whose MIME (Multipurpose Internet Mail Extensions) type is not present in the web applications’ allowed list. Though this can be achieved out of the box, it is not recommended to change the Browser file handling from Strict to Permissive, as it opens up a huge security hole in the SharePoint Environment. Setting the Permissive option enables PDF to open up in the browser. Select Manage Web Applications.įrom General Settings page, change the browser handling option from ‘Strict’ to ‘Permissive’.
Now, we have to update the settings in the Web Application level. Select the radio button ‘Open in the browser’. Let’s enable the browser opening capability at the library level.
In order to open the PDF in the browser, we can update the settings in. We can overcome this issue using two methods: However, we can circumvent this issue using a couple of methods which we will explore in this article.Īs shown below, if PDF is not set to open up in the browser, it will be downloaded to the disk. Instead the file is downloaded to the local file system which can be opened using a client application. SharePoint adds ‘X-Download-Options: noopen’ to the header which prevents it from opening up in the browser. This security limitation is done using HTTP response headers. SharePoint, being a Content Management System, has some in-built security features that prevent some of the files from opening in the browser.
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