Possible enumeration values:
| Name | Value | Description | 
|---|---|---|
| xlsx | 
                     0  | 
                |
| xls | 
                     1  | 
                |
| docx | 
                     2  | 
                |
| doc | 
                     3  | 
                |
| pptx | 
                     4  | 
                |
| ppt | 
                     5  | 
                |
| mdbx | 
                     6  | 
                |
| mdb | 
                     7  | 
                |
| txt | 
                     8  | 
                |
| png | 
                     9  | 
                |
| gif | 
                     10  | 
                |
| jpg | 
                     11  | 
                |
| jpeg | 
                     12  | 
                |
| rtf | 
                     13  | 
                |
| xml | 
                     14  | 
                |
| csv | 
                     15  | 
                |
| 
                     16  | 
                ||
| tif | 
                     17  | 
                |
| bmp | 
                     18  | 
                |
| none | 
                     19  |