File Content Extraction 26.1
Filter SDK .NET Programming Guide

# File Classes

Attribute Number | Description | File class
--- | --- | ---
0 | No file class | AutoDetNoFormat
01 | Word processor | adWORDPROCESSOR
02 | Spreadsheet | adSPREADSHEET
03 | Database | adDATABASE
04 | Raster image | adRASTERIMAGE
05 | Vector graphic | adVECTORGRAPHIC
06 | Presentation | adPRESENTATION
07 | Executable | adEXECUTABLE
08 | Encapsulation | adENCAPSULATION
09 | Sound | adSOUND
10 | Desktop publishing | adDESKTOPPUBLSH
11 | Outline/planning | adOUTLINE
12 | Miscellaneous | adMISC
13 | Mixed format | adMIXED
14 | Font | adFONT
15 | Time scheduling | adSCHEDULE
16 | Communications | adCOMMUNICATION
17 | Object module | adOBJECTMODULE
18 | Library module | adLIBRARY
19 | Fax | adFAXFORMAT
20 | Movie | adMOVIE
21 | Animation | adANIMATION
22 | Source Code | adSOURCECODE
23 | Computer-Aided Design | adCAD
24 | BI and analysis tools | adANALYTICS
25 | Scientific data | adSCIENTIFIC
26 | Geographic Info System | adGIS
27 | Software Development | adSWDEV
28 | Operating System | adOS
29 | Accounting software | adACCOUNTING
30 | Financial Information | adFINANCIAL

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Version 26.1 | Last updated January 2026

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Product: File Content Extraction 26.1

Topic Title: File Classes