KeyView 24.1

# Reducing Third-Party Library Usage

The following third-party vendor libraries are optional dependencies of KeyView. This table shows you which `.dll` / `.so` files you will need to delete if you want to remove the third-party library, and what functionality you will lose as a result. It also shows which lines you should remove from formats.ini if you choose to delete the binary specified.

Vendor library | File(s) in bin dir | Format support or other functionality lost | Line(s) to remove in formats.ini
--- | --- | --- | ---
7zip 18.05/p7zip 17.04 | multiarcsr | PC_Library_Fmt, cpio_Archive_CRChdr_Fmt, cpio_Archive_CHRhdr_Fmt, PEX_Binary_Archive_Fmt, ARJ_Fmt, XZ_Fmt, Z7Z_Fmt, RAR5_Fmt, LZMA_Fmt, RPM_Fmt, Windows_Imaging_Fmt, Debian_Binary_Fmt, Windows_Installer_Fmt, Unix_Archive_Fmt, Mac_Executable_Fmt, Executable_JAR_Fmt, XAR_Fmt, XPInstall_Fmt, IHEX_Fmt | multiarc
Apache Arrow 11.0.0 | parquetsr | Apache_Parquet_Fmt | parquet
Apache Avro 1.10.1 | avrosr | Avro_Fmt | avro
brotli 1.0.9 | See ‘Apache Arrow’ |  |
CEB 3.0.0.3006 | cebsr | Founder_CEB_Fmt | ceb
chm_lib 0.4 | chmdll,chmsr | CHM_Fmt | chm
Freetype 2.12.1 | xpssr, pdfsr | MS_XPS_Fmt, PDF_Fmt, Portfolio_PDF_Fmt | xps, pdf
ICU 73.2 | pdfsr | PDF_Fmt, Portfolio_PDF_Fmt | pdf
Jansson 2.13.1 | avrosr | Avro_Fmt | avro
JasPer 2.0.25 | jp2000sr, kpjp2000sr | JPEG_2000_JP2_File_Fmt, ISO_JPEG2000_JP2_Fmt, ISO_JPEG2000_JPM_Fmt, ISO_JPEG2000_JPX_Fmt, Motion_JPEG_2000_Fmt, JPEG_2000_PGX_Fmt | jp2000
jemalloc 5.3.0 | See ‘Apache Arrow’ |  |
leptonica 1.80.0 | ocr and ocr folder | ocr is used for image to text conversion. |
libde265 1.0.11, libheif 1.16.2 | kpheifrdr |  | heif
libical 3.0.16 | icssr | ICS_Fmt | ics
libjpeg 9e | kpjpeg, kpjpgrdr, kptifrdr | JPEG_File_Interchange_Fmt, TIFF_Fmt | jpg, tif
libpff 20180714 | pffsr | MS_OutlookOST_Fmt | pff
libPNG 1.6.40 | kppng, kppngwrt, kppngrdr | APNG_Fmt, PNG_Fmt | png
libtiff 4.5.0 | kptifrdr | TIFF_Fmt | tif
libwebp 1.3.2 | kpwebprdr, kptifrdr | WebP_Fmt, TIFF_Fmt | webp, tif
libxml 2.10.3 | htmlsr, cryptographyservices | Ability to obtain XMP data from html files and ability to decrypt data in RMS protected files |
lz4 1.9.4 | See ‘Apache Arrow’ and ‘Apache ORC’ |  |
Microsoft MAPI | pstsr | MS_OutlookPST_Fmt | pst
ODA 2023.12 | kpodardr2 | AutoCAD_DXF_Binary_Fmt, AutoCAD_DXF_Text_Fmt, AutoDesk_DWG_Fmt | dwg, dxf
Apache ORC 1.6.8 | orcsr | Apache_ORC_Fmt | orc
iana 2020e-1 | orcsr | Apache_ORC_Fmt | orc
Google pdfium 4500 | kppdf2rdr, pdf2sr |  | Change 230=pdf2 to 230=pdf
Google protobuf 3.21.12 | iwwp13sr, kpiwpg13rdr, iwss13sr, kviwork13, see ‘Apache ORC’ | IWWP13_Fmt, IWSS13_Fmt, IWPG13_Fmt and the ability to detect these iWork formats | iwwp13, iwss13, iwpg13
pstsdk 0.3 | pstxsr | Use pstsr or pstnsr depending on platform |
rapidjson 1.1.0 | pbixsr, codeidentifierplugin | MS_Power_BI_Fmt and source code detection | pbix
rapidxml 1.13 | pbixsr | MS_Power_BI_Fmt | pbix
re2 01/08/19 | See ‘Apache Arrow’ |  |
Google snappy 1.1.7 | See ‘Apache ORC’ |  |
Google snappy 1.1.9 | iwwp13sr, kpiwpg13rdr, iwss13sr, kviwork13, avrosr, see ‘Apache Arrow’ | Avro_Fmt, IWWP13_Fmt, IWSS13_Fmt, IWPG13_Fmt and the ability to detect these iWork formats | avro, iwwp13, iwss13, iwpg13
sqlite 3.42.0 | pbixsr | MS_Power_BI_Fmt | pbix
tesseract 5.1.0 | ocr and ocr folder | ocr is used for image to text conversion. |
Thrift 0.16.0 | See ‘Apache Arrow’ |  |
utf8proc | See ‘Apache Arrow’ |  |
WinZipJPEG | unzipjpg | Extraction of PKZIP_Fmt subfiles that use the jpeg compresson method. See ZIP Compression Methods. |
WavPack 5.6.0 | wavpack | Extraction of PKZIP_Fmt subfiles that use the wavpack compresson method. See ZIP Compression Methods. |
Adobe XMP 2022.06 | xmp | Obtain XMP metadata |
xsimd 9.0.1 | See ‘Apache Arrow’ |  |
Facebook zstd 1.4.5 | pbixsr, zstdsr, see ‘Apache ORC’ | MS_Power_BI_Fmt , Zstandard_Fmt and Extraction of PKZIP_Fmt subfiles that use the zStandard compresson method. See ZIP Compression Methods. | pbix, zstd
Facebook zstd 1.5.2 | See ‘Apache Arrow’ |  |

## ZIP Compression Methods

The ZIP specification allows compression of subfiles in many different ways, including the popular deflate method. KeyView uses third-party libraries to handle some of these compression types.

You can delete some of these ZIP compression libraries, at the cost of losing the ability to extract subfiles that use that compression type.

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Version 24.1 | Last updated December 2023

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Product: IDOL KeyView 24.1

Topic Title: Reducing Third-Party Library Usage