when we try to upload some of the file Extensions in SharePoint Sites like .PST or .MDB we get the error” file with .pst format could not be loaded into the system”

when we try to upload some of the file Extensions in SharePoint Sites like .PST or .MDB we get the error” file with .pst format could not be loaded into the system”

 Cause:  By default SharePoint blocks some file types.

  Background: when we try to upload some of the file Extensions in SharePoint Sites like .PST or .MDB we get the error” file with .pst format could not be loaded into the system”

 Resolution:  

1.  Verify that you have the following administrative credentials.

a.       You must be a farm administrator on the server.

2. In Central Administration, click Security.

3. On the Security page, in the General Security section, click Define blocked file types.

4. On the Blocked File Types page, if you want to change the selected web application, on the Web Application menu, click Change Web Application. Use the Select Web Application page to select a web application.

5.  Do one of the following:

6.To block an additional file type, scroll to the bottom of the Type each file name extension on a separate line text box, type the file name extension that you want to block, and then click OK.

7.To stop blocking a file type, select a file type from the list, press the Delete key,      and then click OK

                     

  Referred Article from MS : http://technet.microsoft.com/en-us/library/cc262496.aspx

Issue will get Resolve. Please Comment if you need any Help!!!!