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Disallow File Transfer Types IT policy rule


This rule specifies the types of files that a BlackBerry® device user cannot send using an instant messaging application on a BlackBerry device.

Default value

The default value is a null value. The user can send all file types.


Specify the extensions of the disallowed file types in a comma-delimited format (for example, bat, exe, mp3) to prevent a user from sending specific file types.

Configure this rule to "*" to prevent a user from sending any file type.

Minimum requirements

  • Java® based BlackBerry device
  • BlackBerry® Device Software version 4.2
  • BlackBerry® Enterprise Server version 4.1 SP6

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