File Content Extraction 26.1
Filter SDK C Programming Guide

# Supported Password Protected File Types

The following table lists the password-protected file types that File Content Extraction supports.

Key to support table

Symbol | Description
--- | ---
Y | Format is supported.
N | Format is not supported.
S | Support for viewing subfiles.
V | Support for viewing content.
P | Password required.
C | Password and certificate or User ID file required.

Supported password-protected file types

File Type | Version | Filter | Export | Extract | View | Credentials
--- | --- | --- | --- | --- | --- | ---
PST (Windows) | n/a | N | N | Y | S | P
PST (non-Windows)1 The native PST reader, pstxsr, does not require credentials to open password-protected PST files that use compressible encryption. | n/a | N | N | Y | S | N
ZIP | n/a | N | N | Y | S | P
7-Zip | n/a | N | N | Y | S | P
RAR | n/a | N | N | Y | S | P
SMIME in MSG, EML, MBX | n/a | N | N | Y | N | C
Lotus Notes NSF | n/a | N | N | Y | N | C
Adobe PDF | n/a | Y | Y | Y | V | P
Microsoft Office | 97-2003 2007 2010 | Y | Y | Y | V | P

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Version 26.1 | Last updated January 2026

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Product: File Content Extraction 26.1

Topic Title: Supported Password Protected File Types