Some file type extensions (MIME types) allow thumbnail or preview generation instead
of standard icons.
The following table shows the file types that support these capabilities. See Standard transform options for a full listing of formats.
Formats that support preview and thumbnail generation
| Format | File type extension | Supports preview | Supports thumbnail |
|---|---|---|---|
| application/eps | eps | No | Yes |
| application/illustrator | ai | Yes | Yes |
| application/msword | doc | Yes | Yes |
| application/pdf | Yes | Yes | |
| application/rtf | rtf | Yes | Yes |
| application/vnd.apple.keynote | key | Yes | Yes |
| application/vnd.apple.numbers | numbers | Yes | Yes |
| application/vnd.apple.pages | pages | Yes | Yes |
| application/vnd.ms-excel | xls | Yes | Yes |
| application/vnd.ms-excel.addin.macroenabled.12 | xlam | No | Yes |
| application/vnd.ms-excel.sheet.binary.macroenabled.12 | xlsb | Yes | Yes |
| application/vnd.ms-excel.sheet.macroenabled.12 | xlsm | Yes | Yes |
| application/vnd.ms-excel.template.macroenabled.12 | xltm | Yes | Yes |
| application/vnd.ms-outlook | msg | Yes | Yes |
| application/vnd.ms-powerpoint | ppt | Yes | Yes |
| application/vnd.ms-powerpoint.addin.macroenabled.12 | ppam | Yes | Yes |
| application/vnd.ms-powerpoint.presentation.macroenabled.12 | pptm | Yes | Yes |
| application/vnd.ms-powerpoint.slide.macroenabled.12 | sldm | Yes | Yes |
| application/vnd.ms-powerpoint.slideshow.macroenabled.12 | ppsm | No | Yes |
| application/vnd.ms-powerpoint.template.macroenabled.12 | potm | Yes | Yes |
| application/vnd.ms-word.document.macroenabled.12 | docm | Yes | Yes |
| application/vnd.ms-word.template.macroenabled.12 | dotm | Yes | Yes |
| application/vnd.oasis.opendocument.presentation | odp | Yes | Yes |
| application/vnd.oasis.opendocument.presentation-template | otp | Yes | Yes |
| application/vnd.oasis.opendocument.spreadsheet | ods | Yes | Yes |
| application/vnd.oasis.opendocument.spreadsheet-template | ots | Yes | Yes |
| application/vnd.oasis.opendocument.text | odt | Yes | Yes |
| application/vnd.oasis.opendocument.text-template | ott | Yes | Yes |
| application/vnd.openxmlformats-officedocument.presentationml.presentation | pptx | Yes | Yes |
| application/vnd.openxmlformats-officedocument.presentationml.slide | sldx | Yes | Yes |
| application/vnd.openxmlformats-officedocument.presentationml.slideshow | ppsx | No | Yes |
| application/vnd.openxmlformats-officedocument.presentationml.template | potx | Yes | Yes |
| application/vnd.openxmlformats-officedocument.spreadsheetml.sheet | xlsx | Yes | Yes |
| application/vnd.openxmlformats-officedocument.spreadsheetml.template | xltx | Yes | Yes |
| application/vnd.openxmlformats-officedocument.wordprocessingml.document | docx | Yes | Yes |
| application/vnd.openxmlformats-officedocument.wordprocessingml.template | dotx | Yes | Yes |
| application/vnd.sun.xml.calc | sxc | Yes | Yes |
| application/vnd.sun.xml.calc.template | stc | Yes | Yes |
| application/vnd.sun.xml.impress | sxi | Yes | Yes |
| application/vnd.sun.xml.impress.template | sti | Yes | Yes |
| application/vnd.sun.xml.writer | sxw | Yes | Yes |
| application/vnd.sun.xml.writer.template | stw | Yes | Yes |
| application/vnd.visio | vsd | Yes | Yes |
| application/wordperfect | wpd | Yes | Yes |
| application/x-cpio | cpio | Yes | No |
| application/x-tar | tar | Yes | No |
| application/zip | zip | Yes | No |
| image/bmp | bmp | No | Yes |
| image/cgm | cgm | No | Yes |
| image/gif | gif | No | Yes |
| image/ief | ief | No | Yes |
| image/jp2 | jp2 | No | Yes |
| image/jpeg | jpg | No | Yes |
| image/png | png | No | Yes |
| image/tiff | tiff | Yes | Yes |
| image/vnd.adobe.photoshop | psd | No | Yes |
| image/vnd.adobe.premiere | ppj | No | Yes |
| image/x-cmu-raster | ras | No | Yes |
| image/x-dwt | dwt | No | Yes |
| image/x-portable-anymap | pnm | No | Yes |
| image/x-portable-bitmap | pbm | No | Yes |
| image/x-portable-graymap | pgm | No | Yes |
| image/x-portable-pixmap | ppm | No | Yes |
| image/x-raw-adobe | dng | No | Yes |
| image/x-raw-canon | cr2 | No | Yes |
| image/x-raw-fuji | raf | No | Yes |
| image/x-raw-hasselblad | 3fr | No | Yes |
| image/x-raw-kodak | k25 | No | Yes |
| image/x-raw-leica | rwl | No | Yes |
| image/x-raw-minolta | mrw | No | Yes |
| image/x-raw-nikon | nef | No | Yes |
| image/x-raw-olympus | orf | No | Yes |
| image/x-raw-panasonic | rw2 | No | Yes |
| image/x-raw-pentax | pef | No | Yes |
| image/x-raw-red | r3d | No | Yes |
| image/x-raw-sigma | x3f | No | Yes |
| image/x-raw-sony | arw | No | Yes |
| image/x-xbitmap | xbm | No | Yes |
| image/x-xpixmap | xpm | No | Yes |
| image/x-xwindowdump | xwd | No | Yes |
| text/csv | csv | Yes | Yes |
| text/html | html | Yes | Yes |
| text/plain | txt | Yes | Yes |
| text/xml | xml | Yes | Yes |