A suggested list of allowed extension is below - not sure we are capturing all those mime types in the current default list.
HTML (.html, .htm, .shtml)
PDF (.pdf)
MS Powerpoint documents (.ppt, .pps)
MS Word documents (.doc, .xdoc, .dot)
MS Excel documents (.xls, .xlb, .xlt)
Rich Text Format documents (.rtf)
Text files (.txt, .text) with UTF-8 support
OpenOffice/StarOffice documents (.sxc, .stc, .sxd, .std, .sxi, .sti, .sxm, .sxw, .sxg, .stw)
OpenDocument format documents (.odt, .ods, .odp, .odg, .odc, .odf, .odb, .odi, .odm, .ott, .ots, .otp, .otg, .otc, .otf, .oti, .oth)
Apple Pages (.pages)
Apple Keynote (.key)
Apple Numbers (.numbers)
PostScript (.ps, .eps)
Comments
Comment #1
pwolanin commentedprobably fixed - we are now just excluding by default: