135 Microsoft Powerpoint Presentation 97-2003 Microsoft Powerpoint Presentation (97-XP) Presentation None Powerpoint format is a presentation format developed by Microsoft. Powerpoint 97-2002 format is the native format of Powerpoint 97 onwards. The format is proprietary and Microsoft does not make details of its structure public. Currently PRONOM cannot differentiate Microsoft Powerpoint Presentation 97-2003 and Microsoft Powerpoint Show by signatures. This means Microsoft Powerpoint Show files with extensions of pps will likely identify as the Microsoft Powerpoint Presentation 97-2003 PUID. Further research may be able to address this. Binary Little-endian (Intel) 1 Digital Preservation Department / The National Archives 02 Aug 2005 This format can be identified via a container signature in DROID version 6 or later. The PRONOM database cannot currently represent container signatures. 19 Apr 2012 application/vnd.ms-powerpoint MIME com.microsoft.powerpoint.ppt Apple Uniform Type Identifier fmt/126 PUID ppt File extension 172 Powerpoint 97-2003 Compound Document Header + PowerPoint Document user stream 1 Absolute from BOF 0 D0CF11E0A1B11AE1{20}FEFF 1 Variable 50006F0077006500720050006F0069006E007400200044006F00630075006D0065006E007400 Has lower priority than 133 Microsoft PowerPoint Presentation Has lower priority than 134 Microsoft Powerpoint Presentation Has priority over 767 OLE2 Compound Document Format Is subsequent version of 134 Microsoft Powerpoint Presentation Is subtype of 767 OLE2 Compound Document Format