Microsoft PowerPoint Presentation 3.x
Unknownpresentation
Microsoft PowerPoint Presentation is a proprietary binary file format developed by Microsoft Corporation used to store presentation files created in the Microsoft PowerPoint presentation system. This record describes version 3 of .ppt file format released in May 1992 for Windows, and included in the 3.0 version of Microsoft Office for Windows released in August 1992. Versions up to version 4 [x-fmt/88] of Microsoft PowerPoint use .ppt as extension however, they are not compatible with each other. Microsoft made backwards compatibility an optional add-on after Office 2003 and appears to have removed it altogether in Office 2010. Please follow the links attached to this entry for more information.
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| Extensions | .ppt |
|---|---|
| MIME types | application/vnd.ms-powerpoint |
| Signatures | eddead0b03000000 at byte 0 (Microsoft PowerPoint Presentation v3) |
| PRONOM | fmt/1748 |
| Wikidata | Q105864655 |
| Apple UTI | com.microsoft.powerpoint.ppt |
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From PRONOM, Wikidata. Updated 2026-10-20.