ZIP Tags

The following tags are extracted from ZIP archives. ExifTool also extracts additional meta information from compressed documents inside some ZIP-based files such Office Open XML (DOCX, PPTX and XLSX), Open Document (ODB, ODC, ODF, ODG, ODI, ODP, ODS and ODT), iWork (KEY, PAGES, NUMBERS), Capture One Enhanced Image Package (EIP), Adobe InDesign Markup Language (IDML), Electronic Publication (EPUB), and Sketch design files (SKETCH). The ExifTool family 3 groups may be used to organize ZIP tags by embedded document number (ie. the exiftool -g3 option).

Index2 Tag Name Writable Values / Notes 2 ZipRequiredVersion no   3 ZipBitFlag no   4 ZipCompression no 0 = None 1 = Shrunk 2 = Reduced with compression factor 1 3 = Reduced with compression factor 2 4 = Reduced with compression factor 3 5 = Reduced with compression factor 4 6 = Imploded 7 = Tokenized 8 = Deflated 9 = Enhanced Deflate using Deflate64(tm) 10 = Imploded (old IBM TERSE) 12 = BZIP2 14 = LZMA (EFS) 18 = IBM TERSE (new) 19 = IBM LZ77 z Architecture (PFS) 96 = JPEG recompressed 97 = WavPack compressed 98 = PPMd version I, Rev 1 5 ZipModifyDate no   7 ZipCRC no   9 ZipCompressedSize no   11 ZipUncompressedSize no   15 ZipFileName no   '_com' ZipFileComment no

ZIP GZIP Tags

These tags are extracted from GZIP (GNU ZIP) archives, but currently only for the first file in the archive.

Index1 Tag Name Writable Values / Notes 2 Compression no 8 = Deflated 3 Flags no Bit 0 = Text Bit 1 = CRC16 Bit 2 = ExtraFields Bit 3 = FileName Bit 4 = Comment 4 ModifyDate no   8 ExtraFlags no 0 = (none) 2 = Maximum Compression 4 = Fastest Algorithm 9 OperatingSystem no 0 = FAT filesystem (MS-DOS, OS/2, NT/Win32) 1 = Amiga 2 = VMS (or OpenVMS) 3 = Unix 4 = VM/CMS 5 = Atari TOS 6 = HPFS filesystem (OS/2, NT) 7 = Macintosh 8 = Z-System 9 = CP/M 10 = TOPS-20 11 = NTFS filesystem (NT) 12 = QDOS 13 = Acorn RISCOS 255 = unknown 10 ArchivedFileName no   11 Comment no

ZIP RAR Tags

These tags are extracted from RAR archive files.

Index1 Tag Name Writable Values / Notes 0 CompressedSize no   4 UncompressedSize no   8 OperatingSystem no 0 = MS-DOS 1 = OS/2 2 = Win32 3 = Unix 13 ModifyDate no   18 PackingMethod no 0x30 = Stored 0x31 = Fastest 0x32 = Fast    0x33 = Normal 0x34 = Good Compression 0x35 = Best Compression 25 ArchivedFileName no

ZIP RAR5 Tags

These tags are extracted from RAR v5 and 7z archive files.

Tag Name Writable Values / Notes ArchivedFileName no   CompressedSize no   FileVersion no   ModifyDate no   OperatingSystem no 0 = Win32 1 = Unix UncompressedSize no

<-- ExifTool Tag Names