<?xml version="1.0" encoding="utf-8"?>
<PRONOM-Report xmlns="http://pronom.nationalarchives.gov.uk">
  <report_format_detail>
    <FileFormat>
      <FormatID>2692</FormatID>
      <FormatName>WACZ</FormatName>
      <FormatVersion>
      </FormatVersion>
      <FormatAliases>Web Archive Collection Zipped</FormatAliases>
      <FormatFamilies>
      </FormatFamilies>
      <FormatTypes>Aggregate</FormatTypes>
      <FormatDisclosure>
      </FormatDisclosure>
      <FormatDescription>WACZ is a web archiving format and is a .zip format containing raw web archiving files such as WARC, indices and file lists.</FormatDescription>
      <BinaryFileFormat>
      </BinaryFileFormat>
      <ByteOrders>
      </ByteOrders>
      <ReleaseDate>
      </ReleaseDate>
      <WithdrawnDate>
      </WithdrawnDate>
      <ProvenanceSourceID>180</ProvenanceSourceID>
      <ProvenanceName>The National Archives and Records Administration / The National Archives and Records Administration</ProvenanceName>
      <ProvenanceSourceDate>01 Mar 2023</ProvenanceSourceDate>
      <ProvenanceDescription>This format can be identified via a container signature in DROID version 6 or later. The PRONOM database cannot currently represent container signatures. 04/2024 (v.117)- Removed max-offset in container signature to scan full file for byte sequence. Submitted by Preservica.</ProvenanceDescription>
      <LastUpdatedDate>15 Apr 2024</LastUpdatedDate>
      <FormatNote>
      </FormatNote>
      <FormatRisk>
      </FormatRisk>
      <TechnicalEnvironment>
      </TechnicalEnvironment>
      <FileFormatIdentifier>
        <Identifier>application/x-wacz</Identifier>
        <IdentifierType>MIME</IdentifierType>
      </FileFormatIdentifier>
      <FileFormatIdentifier>
        <Identifier>fmt/1840</Identifier>
        <IdentifierType>PUID</IdentifierType>
      </FileFormatIdentifier>
      <ExternalSignature>
        <ExternalSignatureID>3294</ExternalSignatureID>
        <Signature>wacz</Signature>
        <SignatureType>File extension</SignatureType>
      </ExternalSignature>
    </FileFormat>
    <SearchCriteria>Criteria</SearchCriteria>
  </report_format_detail>
</PRONOM-Report>
