Reference Source

OAR file archive format — file signature 4F 41 52 ?? at offset 0

For OAR file archive format, hex signature is 4F 41 52 ??; offset is 0; extension is oar, recorded from its source on 2026-08-03.

Hex signature
4F 41 52 ??
Offset
0 verified
Extension
oar verified
Format
OAR file archive format verified
Sourceen.wikipedia.org
Verified
Review by
DatasetFile format magic numbers

What the source says

OAR? | 0 | oar | OAR file archive format, where ?? is the format version. |

en.wikipedia.org, retrieved 2026-08-03

Source

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