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Revision as of 06:09, 7 November 2012
| File Formats | > | Electronic File Formats | > | Document | > | PPT |
Powerpoint Binary file (PPT) is the default file format used in the Microsoft Powerpoint presentation system from Office 97 to Office 2003 (later versions use PPTX). Earlier versions (PowerPoint 4.0 and earlier) had the same file format name and extension (.ppt), but were incompatible. The file format specifications for PowerPoint 4.0 and earlier versions are not available. Microsoft made backwards compatibility an optional add-on after Office 2003, and appears to have removed it altogether in Office 2010. Migration routes involve using emulation or older hardware in conjunction with a copy of Office 2001/2003. Alternatively, at least one company can provide free migration services (Zamzar).
PPT (97-2003) files can be read by the Open Source OpenOffice and LibreOffice suites; included objects from other Microsoft applications (eg graphs from Excel) may not be handed properly.
The file extension is .ppt and the approved MIME type is application/vnd.ms-powerpoint.
