| 1. | From the Design tab, select Restrict by file type. |
| 2. | Under Allowed types, click Add additional types. The Add custom file type screen appears. |
| 3. | Select the MIME content type. |
| 4. | Enter the MIME sub-content type. For example, for the application content type, you enter msword, pdf, and postscript. |
| 5. | In the Extension field, enter the file extension for the sub-content type. For example, the file extension for msword is .doc or .docx, the file extension for pdf is .pdf, and the file extension for postscript is .ps. |
| 6. | Click Add. You return to the Design tab and the new custom file type appears under Allowed types. |