PPT
The legacy binary presentation format used by Microsoft PowerPoint before PPTX, storing slides, text, shapes, images, media, and presentation records in an OLE compound file.
General information
- Format name
- Microsoft PowerPoint Binary File Format
- Extension
.ppt- MIME type
application/vnd.ms-powerpoint- Category
- document
- Data type
- Binary
- Developer
- Microsoft
File signatures
| Offset | Hexadecimal | ASCII | Description |
|---|---|---|---|
| 0 | D0 CF 11 E0 A1 B1 1A E1 | — | OLE Compound File signature shared by PPT and several other legacy Microsoft Office formats, so it is not unique to PPT. |
Common uses
Legacy slide presentations
Business presentations
Lectures
Training materials
Archived PowerPoint files
Related formats
Technical resources
| Resource | Publisher | Link |
|---|---|---|
| PowerPoint (.ppt) Binary File Format | Microsoft | Open resource ↗ |
| Media Types Registry | IANA | Open resource ↗ |
Record information
- Verified
- October 4, 2026
- Last updated
- October 4, 2026