Sharepoint 2010 pdf not opening in browser

Office Office Exchange Server. Not an IT pro? Resources for IT Professionals. Sign in. United States English. Ask a question. Quick access. Search related threads. Remove From My Forums. Unfortunately, it does not work in reverse; list-level property cannot overwrite WebApplication setting "Strict". PDF file prompting to Save rather than opening is a common issue with most vanilla SharePoint implementations.

Using PowerShell scripts we can control which type of file will be allowed to open in browser and which ones will not be.

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First of all, there are good reasons why SP does not render files in browser, PDF included, per default. The reason is client object model. PDF allows for Javascript execution, and though to some degree the threat model is the same as with SP, CLient object model makes it a lot easier to create potential malicious code in PDFs.

After considering the possible dangers, you could enable permissive mode, but that would mean that all file types would b enabled. Instead, it is much less of a security hole to just enable pdf as an allowed inline mime type for the web application:. Read a thorough post of the potential dangers here. This change was made due to security reasons in SharePoint You can change it to a less secure mode, per Web Application, in Central Admin. Just change the Browser File Handling property to Permissive and your good to go.

This is controlled by the installation of Acrobat itself, not SharePoint. By default, PDFs open in the browser but many corporate installs force it to open in a separate window for support reasons. Many users do not realize they are viewing a PDF instead of a web page and get confused when the normal web tools do not work properly. The bigger the corporation, the more likely this is to be the default. You could set the web application browser file handling setting to strict.

This means that SharePoint will tell the browser to open the file in the client application, instead of opening it in the browser itself. I agree with Anders Rask that the solution provided by Wictor is not the best solution. Making it permissive at the Web Application level is the last thing to do.

If you want to set permissive, it can be done at the Site Collection, Site and List level too. This will reduce the risk to a targeted area. But note here that setting to permissive will allow other files to run in browser like flash etc.

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