This is a current list of formats known by Openoffice: from http://wiki.services.openoffice.org/wiki/Framework/Article/Filter/FilterList_OOo_2_1

# Calc Open Document Spreadsheet|ods|Calc8 OpenOffice.org 1.0 Spreadsheet Template|stc|calc_StarOffice_XML_Calc_Template OpenOffice.org 1.0 Spreadsheet|sxc|StarOffice XML (Calc) Data Interchange Format|dif|DIF Microsoft Excel 97/2000/XP Template|xlt|MS Excel 97 Vorlage/Template HTML Document (OpenOffice.org Calc)|html|HTML (StarCalc) Microsoft Excel 5.0|xls|MS Excel 5.0/95 Microsoft Excel 95|xls|MS Excel 95 StarCalc 4.0|sdc|StarCalc 4.0 Microsoft Excel 97/2000/XP|xls|MS Excel 97 OpenDocument Spreadsheet Template|ots|calc8_template Text CSV|csv|Text - txt - csv (StarCalc) StarCalc 3.0 Template|vor|StarCalc 3.0 Vorlage/Template StarCalc 4.0 Template|vor|StarCalc 4.0 Vorlage/Template StarCalc 5.0 Template|vor|StarCalc 5.0 Vorlage/Template Pocket Excel|pxl|Pocket Excel Microsoft Excel 95 Template|xlt|MS Excel 95 Vorlage/Template dBase|dbf|dBase Microsoft Excel 2003 XML|xml|MS Excel 2003 XML XHTML|xml|XHTML Calc File Microsoft Excel 5.0 Template|xlt|MS Excel 5.0/95 Vorlage/Template StarCalc 3.0|sdc|StarCalc 3.0 StarCalc 5.0|sdc|StarCalc 5.0 PDF - Portable Document Format|pdf|calc_pdf_Export SYLK|slk|SYLK

# Draw Open Document Drawing|odd|Draw8 PNG - Portable Network Graphic|png|draw_png_Export JPEG - Joint Photographic Experts Group|jpg|draw_jpg_Export PPM - Portable Pixelmap|ppm|draw_ppm_Export WMF - Windows Metafile|wmf|draw_wmf_Export PGM - Portable Graymap|pgm|draw_pgm_Export TIFF - Tagged Image File Format|tiff|draw_tif_Export PBM - Portable Bitmap|pbm|draw_pbm_Export EMF - Enhanced Metafile|emf|draw_emf_Export XPM - X PixMap|xpm|draw_xpm_Export OpenDocument Drawing Template|otg|draw8_template BMP - Windows Bitmap|bmp|draw_bmp_Export Macromedia Flash (SWF)|swf|draw_flash_Export OpenOffice.org 1.0 Drawing|sxd|StarOffice XML (Draw) PDF - Portable Document Format|pdf|draw_pdf_Export GIF - Graphics Interchange Format|gif|draw_gif_Export RAS - Sun Raster Image|ras|draw_ras_Export StarDraw 3.0 Template|vor|StarDraw 3.0 Vorlage StarDraw 5.0 Template|vor|StarDraw 5.0 Vorlage HTML Document (OpenOffice.org Draw)|html|draw_html_Export StarDraw 3.0|sxd|StarDraw 3.0 MET - OS/2 Metafile|met|draw_met_Export StarDraw 5.0|sxd|StarDraw 5.0 XHTML|xml|XHTML Draw File EPS - Encapsulated PostScript|eps|draw_eps_Export SVG - Scalable Vector Graphics|svg|draw_svg_Export OpenOffice.org 1.0 Drawing Template|std|draw_StarOffice_XML_Draw_Template SVM - StarView Metafile|svm|draw_svm_Export

# Impress Open Document Presentation|odp|Impress8 StarDraw 3.0 Template (OpenOffice.org Impress)|vor|StarDraw 3.0 Vorlage (StarImpress) StarDraw 5.0 Template (OpenOffice.org Impress)|vor|StarDraw 5.0 Vorlage (StarImpress) Microsoft PowerPoint 97/2000/XP Template|pot|MS PowerPoint 97 Vorlage OpenOffice.org 1.0 Presentation Template|sti|impress_StarOffice_XML_Impress_Template StarImpress 5.0|sdd|StarImpress 5.0 StarDraw 5.0 (OpenOffice.org Impress)|sda|StarDraw 5.0 (StarImpress) BMP - Windows Bitmap|bmp|impress_bmp_Export EMF - Enhanced Metafile|emf|impress_emf_Export EPS - Encapsulated PostScript|eps|impress_eps_Export GIF - Graphics Interchange Format|gif|impress_gif_Export JPEG - Joint Photographic Experts Group|jpg|impress_jpg_Export MET - OS/2 Metafile|met|impress_met_Export PBM - Portable Bitmap|pbm|impress_pbm_Export PCT - Mac Pict|pct|impress_pct_Export PDF - Portable Document Format|pdf|impress_pdf_Export PGM - Portable Graymap|pgm|impress_pgm_Export PNG - Portable Network Graphic|png|impress_png_Export PPM - Portable Pixelmap|ppm|impress_ppm_Export RAS - Sun Raster Image|ras|impress_ras_Export SVG - Scalable Vector Graphics|svg|impress_svg_Export SVM - StarView Metafile|svm|impress_svm_Export TIFF - Tagged Image File Format|tiff|impress_tif_Export WMF - Windows Metafile|wmf|impress_wmf_Export XPM - X PixMap|xpm|impress_xpm_Export PWP - PlaceWare|pwp|placeware_Export OpenOffice.org 1.0 Drawing (OpenOffice.org Impress)|odg|OpenOffice.org 1.0 Drawing (OpenOffice.org Impress) XHTML|xml|XHTML Impress File Macromedia Flash (SWF)|swf|impress_flash_Export Microsoft PowerPoint 97/2000/XP|ppt|MS PowerPoint 97 StarImpress 4.0|sdd|StarImpress 4.0 OpenDocument Presentation Template|stp|impress8_template StarImpress 4.0 Template|vor|StarImpress 4.0 Vorlage StarImpress 5.0 Template|vor|StarImpress 5.0 Vorlage OpenOffice.org 1.0 Presentation|sxi|StarOffice XML (Impress) StarDraw 3.0 (OpenOffice.org Impress)|sdd|StarDraw 3.0 (StarImpress) HTML Document (OpenOffice.org Impress)|html|impress_html_Export

# Writer Open Document Text|odt|Writer8 OpenOffice.org 1.0 Text Document|sxw|StarOffice XML (Writer) StarWriter 4.0|sdw|StarWriter 4.0 HTML Document (OpenOffice.org Writer)|html|HTML (StarWriter) StarWriter 3.0 Template|vor|StarWriter 3.0 Vorlage/Template StarWriter 4.0 Template|vor|StarWriter 4.0 Vorlage/Template StarWriter 5.0 Template|vor|StarWriter 5.0 Vorlage/Template OpenOffice.org 1.0 Text Document Template|stw|writer_StarOffice_XML_Writer_Template Microsoft Word 2003 XML|xml|MS Word 2003 XML Pocket Word|psw|PocketWord File Rich Text Format|rtf|Rich Text Format PDF - Portable Document Format|pdf|writer_pdf_Export StarWriter 3.0|sdw|StarWriter 3.0 OpenDocument Text Template|ott|writer8_template AportisDoc (Palm)|pdb|AportisDoc Palm DB BibTeX|bib|BibTeX_Writer StarWriter 5.0|sdw|StarWriter 5.0 Microsoft Word 6.0|doc|MS WinWord 6.0 Text Encoded|txt|Text (encoded) Microsoft Word 95|doc|MS Word 95 Microsoft Word 97/2000/XP|doc|MS Word 97 LaTeX 2e|ltx|LaTeX_Writer XHTML|html|XHTML Writer File Text|txt|Text DocBook|xml|DocBook File"