File Content Extraction 26.1
Filter SDK C Programming Guide

# Reader Differences

Reader | Windows | Linux | macOS
--- | --- | --- | ---
x64 | x86 | ARM64 | x64 | AArch64 | M1 | x64
kpHEIFrdr (High Efficiency Image Format image reader) | ✔ | ✔ | ✔ | ✔ | - | - | ✔
kpODArdr (Autodesk AutoCAD reader) | ✔ | ✔ | - | ✔ | - | ✔ | ✔
kppdf2rdr (graphic-based PDF reader) | ✔ | ✔ | - | ✔ | - | - | -
kpWEBPrdr (WebP Format reader) | ✔ | - | ✔ | ✔ | ✔ | ✔ | ✔
nsfsr (Lotus Notes database reader) | ✔ | ✔ | - | - | - | - | -
orcsr (Apache ORC reader) | ✔ | - | - | ✔ | ✔ | ✔ | ✔
parquetsr (Apache Parquet reader) | ✔ | - | - | ✔ | ✔ | ✔ | ✔
pdf2sr (alternative PDF reader) | ✔ | ✔ | - | ✔ | - | - | -
pffsr (Microsoft Outlook Offline Folders File reader) | ✔ | ✔ | - | ✔ | ✔ | - | -
pstsr (MAPI-based PST reader) | ✔ | ✔ | - | - | - | - | -
rpmsgsr (Microsoft Outlook Restricted Permission Message reader) | ✔ | - | - | ✔ | - | - | -

This topic shows only those readers that are unavailable on at least one platform. For a complete list of a readers, see Document Readers.

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Version 26.1 | Last updated January 2026

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Product: File Content Extraction 26.1

Topic Title: Reader Differences