Users of Microsoft Office can also opt to preview Word documents from within Docman too.
Full list of 'preview-able' files types:
Image formats:
TIF (scanned image)
GIF
PNG
Document Formats
PDF
DOC
HTM
TXT
RTF
XML
Preview support for RTF files is included for EMIS sites using the 'existing documents' option made available to all users as part of 71210.
Office 2000 or above is required for Word and Excel Preview, Adobe Acrobat Reader v8 is required for PDF preview.