Skip to content

QuattroPro for Windows Spreadsheet file (.wb2)

.wb2 file signature | application/x-quattro-pro;version=6

QuattroPro for Windows Spreadsheet file

Safe

Magic Bytes

Offset 0
00 00 02 00 02 10

Sources: Apache Tika

All Known Signatures

2 signature variants are documented for .wb2 files across multiple sources.

Hex Signature Offset Sources
00 00 02 00 02 10 0 Apache Tika
00 00 02 00 0 Gary Kessler

Extension

.wb2

MIME Type

application/x-quattro-pro;version=6

Byte Offset

0

Risk Level

Safe

Validation Code

How to validate .wb2 files in Python

Python
def is_wb2(file_path: str) -> bool:
    """Check if file is a valid WB2 by magic bytes."""
    signature = bytes([0x00, 0x00, 0x02, 0x00, 0x02, 0x10])
    with open(file_path, "rb") as f:
        return f.read(6) == signature

How to validate .wb2 files in Node.js

Node.js
function isWB2(buffer: Buffer): boolean {
  const signature = Buffer.from([0x00, 0x00, 0x02, 0x00, 0x02, 0x10]);
  return buffer.subarray(0, 6).equals(signature);
}

How to validate .wb2 files in Go

Go
func IsWB2(data []byte) bool {
    signature := []byte{0x00, 0x00, 0x02, 0x00, 0x02, 0x10}
    if len(data) < 6 {
        return false
    }
    return bytes.Equal(data[:6], signature)
}

API Endpoint

GET /api/v1/wb2
curl https://filesignature.org/api/v1/wb2

See the full API documentation for all endpoints and parameters.

Frequently Asked Questions

What is a .wb2 file?

A .wb2 file is a QuattroPro for Windows Spreadsheet file file. QuattroPro for Windows Spreadsheet file

What are the magic bytes for .wb2 files?

The magic bytes for QuattroPro for Windows Spreadsheet file files are 00 00 02 00 02 10 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.

How do I validate a .wb2 file?

To validate a .wb2 file, read the first bytes of the file and compare them against the known magic bytes (00 00 02 00 02 10) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.

What is the MIME type for .wb2 files?

The primary MIME type for .wb2 files is application/x-quattro-pro;version=6.

Is it safe to open .wb2 files?

QuattroPro for Windows Spreadsheet file (.wb2) 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.