As of version 6.5.x these are the supported file types that the Catalog Service will recognize for existing content and metadata.
Adobe Acrobat (*.pdf)
Ami Pro (*.sam)
Ansi Text (*.txt)
ASCII Text
ASF media files (metadata only) (*.asf)
CSV (Comma-separated values) (*.csv)
DBF (*.dbf)
EBCDIC
EML files (emails saved by Outlook Express) (*.eml)
Enhanced Metafile Format (*.emf)
Eudora MBX message files (*.mbx)
GZIP (*.gz)
HTML (*.htm, *.html)
JPG (*.jpg)
Lotus 1-2-3 (*.wk?, *.123)
MBOX email archives (including Thunderbird) (*.mbx)
MHT archives (HTML archives saved by Internet Explorer) (*.mht)
MIME messages
MSG files (emails saved by Outlook) (*.msg)
Microsoft Access MDB files (*.mdb)
Microsoft Document Imaging (*.mdi)
Microsoft Excel (*.xls)
Microsoft Excel 2003 XML (*.xml)
Microsoft Excel 2007 (*.xlsx)
Microsoft Outlook/Exchange
Microsoft Outlook Express 5 and 6 (*.dbx) message stores
Microsoft PowerPoint (*.ppt)
Microsoft PowerPoint 2007 (*.pptx)
Microsoft Rich Text Format (*.rtf)
Microsoft Searchable Tiff (*.tiff)
Microsoft Word for DOS (*.doc)
Microsoft Word (*.doc)
Microsoft Word 2003 XML (*.xml)
Microsoft Word 2007 (*.docx)
Microsoft Works (*.wks)
MP3 (metadata only) (*.mp3)
Multimate Advantage II (*.dox)
Multimate version 4 (*.doc)
OpenOffice 2.x and 1.x documents, spreadsheets, and presentations (*.sxc, *.sxd, *.sxi, *.sxw, *.sxg, *.stc, *.sti, *.stw, *.stm, *.odt, *.ott, *.odg, *.otg, *.odp, *.otp, *.ods, *.ots, *.odf) (includes OASIS Open Document Format for Office Applications)
Quattro Pro (*.wb1, *.wb2, *.wb3, *.qpw)
TAR (*.tar)
TIF (*.tif)
TNEF (winmail.dat)
Treepad HJT files (*.hjt)
Unicode (UCS16, Mac or Windows byte order, or UTF-8)
Windows Metafile Format (*.wmf)
WMA media files (metadata only) (*.wma)
WMV video files (metadata only) (*.wmv)
WordPerfect 4.2 (*.wpd, *.wpf)
WordPerfect (5.0 and later) (*.wpd, *.wpf)
WordStar versions 1, 2, 3 (*.ws)
WordStar versions 4, 5, 6 (*.ws)
WordStar 2000
Write (*.wri)
XBase (including FoxPro, dBase, and other XBase-compatible formats) (*.dbf)
XML (*.xml)
XML Paper Specification (*.xps)
XSL
XyWrite
ZIP (*.zip)
