Here is a SSMS tips where we can customized our new query windows as,
For SQL Server 2008 (64 Bits)
1) Find the file SQLFile.SQL , which mostly located at C:\Program Files (x86)\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\SqlWorkbenchProjectItems\Sql\SQLFILE.SQL
and modify the file as per your wish.
For SQL Server 2008 (32 Bits)
1) Find the file SQLFile.SQL , which mostly located at C:\Program Files\Microsoft SQL Server\100\Tools\Binn\VSShell\Common7\IDE\SqlWorkbenchProjectItems\Sql\SQLFILE.SQL
and modify the file as per your wish.
For SQL Server 2012 (64 Bits)
1) Find the file SQLFile.SQL , which mostly located at C:\Program Files\Microsoft SQL Server\110\Tools\Binn\ManagementStudio\SqlWorkbenchProjectItems\Sql\SQLFile.sql
and modify the file as per your wish.
For SQL Server 2012 (32 Bits)
1) Find the file SQLFile.SQL , which mostly located at C:\Program Files\Microsoft SQL Server\110\Tools\Binn\ManagementStudio\SqlWorkbenchProjectItems\Sql\SQLFile.sql
and modify the file as per your wish.
Let See my Modified SQLFILE.SQL file as
Source : Mr. Amit Bansal’s Blog
WikiDBA 
Does this work in SQL Express 2012? I don’t see the SqlWorkbenchProjectItems folder, and if I create it and the Sql folder, it still doesn’t work.
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Never mind, I found it. It’s in the Program FIles(x86) folder, even though I’m pretty sure I have the 64-bit version installed.
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