free programs to open any file extension
Apache OpenOffice
Apache OpenOffice
by Apache
Apache OpenOffice is a free office productivity suite similar to Microsoft Office. Apache OpenOffice is open source, free, powerful, and can open and create documents in almost any format (including all of the Microsoft Office formats).
Download Apache OpenOffice

Apache OpenOffice website
File extensions Apache OpenOffice understands
.DOC Corel WordPerfect Document
.PPSX Microsoft Open XML PowerPoint Show
.DOCX Microsoft Open XML Word Document
.DOCM Microsoft Word XML Document
.PSW Pocket Word Document
.UOT Unified Office Format Document
.HWP Hangul Word Processor Document
.ODM ODF Master Document
.SXG Apache OpenOffice 1.0 Master Document
.SXC Apache OpenOffice 1.0 Spreadsheet
.XLS Microsoft Excel Spreadsheet
.SDC StarCalc Spreadsheet
.XLSM Microsoft Open XML Macro-Enabled Excel Spreadsheet
.XLSX Microsoft Open XML Excel Spreadsheet
.123 IBM Lotus 1-2-3 Spreadsheet
.WB2 Quattro Pro Spreadsheet
.UOF Unified Office Format Spreadsheet
.DBF dBASE Database
.CSV Comma Separated Value Database
.TXT Comma Separated Value Database
.ODF ODF Formula
.SXM Apache OpenOffice 1.0 Formula
.MNL MathML Data
.VOR StarWriter Template
.DOTX Microsoft Open XML Word Template
.OTS ODF Spreadsheet Template
.VOR StarCalc Template
.XLTM Microsoft Excel XML Template
.XLTX Microsoft Excel XML Template
.XLM Microsoft Excel Macro
.STI Apache OpenOffice 1.0 Presentation Template
.VOR StarImpress Template
.MET OS/2 Metafile
.EMF Enhanced Metafile
.SXI Apache OpenOffice 1.0 Presentation
.PPS Microsoft PowerPoint Show
.SXD Microsoft Apache OpenOffice 1.0 Drawing
.PPTM Microsoft Open XML Macro-Enabled PowerPoint Presentation
.UOF Unified Office Format Presentation
.PCT Mac Pict Image
.SGF StarWriter Graphics Format Image
.SGV StarDraw Image
.JFIF Joint Photographic Experts Group Image
.JPE Joint Photographic Experts Group Image
.ODT ODF Text Document
.SXW Apache OpenOffice 1.0 Text Document
.SDW StarWriter Document
.PDB Palm AportisDoc Document
.XML DocBook Document
.UOF Unified Office Format Document
.WPD WordPerfect Document
.STW Apache OpenOffice 1.0 HTML Template
.OTH HTML Document Template
.SGL StarWriter Master Document
.ODS ODF Spreadsheet
.DIF Data Interchange Format Document
.XLC Microsoft Excel Chart
.SLK SYLK Spreadsheet
.XLSB Microsoft Excel Binary Spreadsheet
.WK1 Lotus 1-2-3 Spreadsheet
.WKS Lotus 1-2-3 Spreadsheet
.PXL Pocket Excel Spreadsheet
.UOS Unified Office Format Spreadsheet
.XLS Comma Separated Value Database
.ODB ODF Database
.SMF StarMath Data
.OTT ODF Text Document Template
.STW Apache OpenOffice 1.0 Text Document Template
.DOTM Microsoft Word XML Template
.STC Apache OpenOffice 1.0 Spreadsheet Template
.XLT Microsoft Excel Template
.XLW Microsoft Excel Workspace
.OTP ODF Presentation Template
.POT Microsoft PowerPoint Template
.POTM Microsoft Open XML Macro-Enabled PowerPoint Template
.POTX Microsoft Open XML PowerPoint Template
.SVM StarView MetaFile
.ODP ODF Presentation
.PPT Microsoft PowerPoint Presentation
.SDA StarDraw Drawing
.SDD StarDraw Drawing
.SDD StarImpress Presentation
.PPTX Microsoft Open XML PowerPoint Presentation
.UOP Unified Office Format Presentation
.ODG ODF Drawing Presentation
.JIF Joint Photographic Experts Group Image
.PBM Portable Bitmap Image
.XBM X Bitmap Image
.XPM X PixMap Image
.RTF Rich Text Format Document
.HTM Hypertext Markup Language Source File
.HTML Hypertext Markup Language Source File
.LOG Log File
.WMF Windows Metafile
.PCX Zsoft Paintbrush Image
.PSD Adobe Photoshop Image
.CGM Computer Graphics Metafile
.DXF AutoCAD Drawing eXchange Format Drawing
.EPS Encapsulated PostScript Image
.BMP Windows Bitmap Image
.GIF Graphics Interchange Format Image
.RAS Sun Raster Image
.TIFF Tagged Image File Format Image
.TXT Text Document
.EMF Enhanced Metafile Format Image
.PGM Portable Graymap Image
.TGA Truevision Targa Image
.PPM Portable Pixelmap Image
.JPEG Joint Photographic Experts Group Image
.JPG Joint Photographic Experts Group Image
.TIF Tagged Image File Format Image
.PCD Kodak Photo CD Image
.PNG Portable Network Graphic Image
.DOT Microsoft Word Template
.DOC Microsoft Word Document