Powerpoint Packaged Presentation (.ppz)
.ppz file signature | application/vnd.ms-powerpoint
Powerpoint Packaged Presentation
Magic Bytes
Offset 0
D0 CF 11 E0 A1 B1 1A E1
Sources: Apache Tika
All Known Signatures
2 signature variants are documented for .ppz files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| D0 CF 11 E0 A1 B1 1A E1 | 0 | Apache Tika |
| 4D 53 43 46 | 0 | Gary Kessler |
Extension
.ppz
MIME Type
application/vnd.ms-powerpoint
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .ppz files in Python
def is_ppz(file_path: str) -> bool:
"""Check if file is a valid PPZ by magic bytes."""
signature = bytes([0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1])
with open(file_path, "rb") as f:
return f.read(8) == signatureHow to validate .ppz files in Node.js
function isPPZ(buffer: Buffer): boolean {
const signature = Buffer.from([0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1]);
return buffer.subarray(0, 8).equals(signature);
}How to validate .ppz files in Go
func IsPPZ(data []byte) bool {
signature := []byte{0xD0, 0xCF, 0x11, 0xE0, 0xA1, 0xB1, 0x1A, 0xE1}
if len(data) < 8 {
return false
}
return bytes.Equal(data[:8], signature)
}API Endpoint
/api/v1/ppz
curl https://filesignature.org/api/v1/ppz
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .ppz file?
A .ppz file is a Powerpoint Packaged Presentation file. Powerpoint Packaged Presentation
What are the magic bytes for .ppz files?
The magic bytes for Powerpoint Packaged Presentation files are D0 CF 11 E0 A1 B1 1A E1 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .ppz file?
To validate a .ppz file, read the first bytes of the file and compare them against the known magic bytes (D0 CF 11 E0 A1 B1 1A E1) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .ppz files?
The primary MIME type for .ppz files is application/vnd.ms-powerpoint.
Is it safe to open .ppz files?
Powerpoint Packaged Presentation (.ppz) files are generally safe to open. They are classified as low risk because they primarily contain data rather than executable code. However, always ensure files come from a trusted source.