4 'xls' => 'application/vnd.ms-excel',
5 'xlm' => 'application/vnd.ms-excel',
6 'xla' => 'application/vnd.ms-excel',
7 'xlc' => 'application/vnd.ms-excel',
8 'xlt' => 'application/vnd.ms-excel',
9 'xlw' => 'application/vnd.ms-excel',
10 'ppt' => 'application/vnd.ms-powerpoint',
11 'pps' => 'application/vnd.ms-powerpoint',
12 'pot' => 'application/vnd.ms-powerpoint',
13 'doc' => 'application/msword',
14 'dot' => 'application/msword',
15 'odc' => 'application/vnd.oasis.opendocument.chart',
16 'otc' => 'application/vnd.oasis.opendocument.chart-template',
17 'odf' => 'application/vnd.oasis.opendocument.formula',
18 'otf' => 'application/vnd.oasis.opendocument.formula-template',
19 'odg' => 'application/vnd.oasis.opendocument.graphics',
20 'otg' => 'application/vnd.oasis.opendocument.graphics-template',
21 'odi' => 'application/vnd.oasis.opendocument.image',
22 'oti' => 'application/vnd.oasis.opendocument.image-template',
23 'odp' => 'application/vnd.oasis.opendocument.presentation',
24 'otp' => 'application/vnd.oasis.opendocument.presentation-template',
25 'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
26 'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template',
27 'odt' => 'application/vnd.oasis.opendocument.text',
28 'otm' => 'application/vnd.oasis.opendocument.text-master',
29 'ott' => 'application/vnd.oasis.opendocument.text-template',
30 'oth' => 'application/vnd.oasis.opendocument.text-web',
31 'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
32 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
33 'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
34 'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
35 'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
36 'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
37 'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
38 'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
39 'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
40 'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
41 'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
42 'xps' => 'application/vnd.ms-xpsdocument',
43 'rar' => 'application/x-rar-compressed',