UPF– Standard for Power-domain specification in SoC implementation. CPF– Power-domain specification in system-on-a-chip (SoC) implementation (see also UPF ). Interactive Financial Exchange (IFX)– XML -based specification for various forms of financial transactions. EGT (.egt)– EGT Universal Document also used to create compressed cabinet files replaces.ecab. TCW– TurboCAD for Windows 2D and 3D drawing. IPG (.ipg)– Format in which Apple Inc. packages their iPod games. can be extracted through Winrar. ACCDE– Compiled Microsoft Database ( Microsoft Office Access 2007 and later). CSV– ASCII text as comma-separated values, used in spreadsheets and database management systems. WRL– Similar to STL, but includes color. Used by various CAD systems and 3D printing rapid prototyping machines. Also used for VRML models on the web. ECAB (.ECAB,.ezip)– EGT Compressed Folder used in advanced systems to compress entire system folders, replaced by EGT Universal Document. STL– Stereo Lithographic data format (see STL (file format) ) used by various CAD systems and stereo lithographic printing machines. See above. DDZ– a file which can only be used by the "daydreamer engine" created by "fever-dreamer", a program similar to RAGS, it's mainly used to make somewhat short games. PSFXL– Cadence proprietary format to store simulation results/waveforms. PK4 (.pk4)– Doom³ archive (Opens similarly to a zip archive.). CLIPFLAIR (.clipflair,.clipflair.zip)– ClipFlair Studio  component saved state file (contains component options in XML, extra/attached files and nested components' state in TEEN.clipflair.zip files– activities are also components and can be nested at any depth). DFF– RenderWare binary stream, commonly used by Grand Theft. PI2– Medium resolution, uncompressed Degas picture file; also Portrait Innovations encrypted image format. HEX– ASCII -coded binary format for memory dumps. ME– Plain text document normally preceded by the word "READ" (READ.ME). VND– Vision numeric Drawing file used in TypeEdit, Gravostyle. TAR– group of files, packaged as one file. RPM– Red Hat package/installer for Fedora, RHEL, and similar systems.