Sep 20

1. Run gpedit.msc 

2. Local Computer Policy ->User Configuration

3. -> Administrative Templates

4. -> Windows Components

5. -> Attachment Manager 

6. ->  “Inclusion list for low file types” click enabled and add to this list the file extensions that you want to open without triggering this warning.

written by MG \\ tags: ,


2 Responses to “How to disable Open File Security Warning on file open?”

  1. 1. polat Says:

    not working in win 7.can not find gpedit.msc

  2. 2. KrskI Says:

    @polat this is probably cause you don’t have the right Win7 version, the cheaper versions don’t have it. Don’t know of a workaround..

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