File Content Extraction 25.3
Filter SDK C Programming Guide

# Deleted Text

Some applications have revision tracking features—such as Microsoft Word's Track Changes—that identify changes to a document. When these features are used, text that was deleted from a document might still be stored in the file. File Content Extraction does not filter deleted text by default, but the Filter API provides options to enable this.

The filtered text does not include the reviewer name or revision date.

To filter or exclude deleted text

- In the C API, call the function fpSetConfig() with the following arguments:

  Argument | Value
  --- | ---
  `nType` | `KVFLT_INCLREVISIONMARK`
  `nValue` | `TRUE` to filter deleted text, or `FALSE` to exclude it
  `pData` | `NULL`

  For example:

      (*fpSetConfig)(pKVFilter, KVFLT_INCLREVISIONMARK, TRUE, NULL);

  You can then call fpFilter() or fpFilterToFile().

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Version 25.3 | Last updated July 2025

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Product: File Content Extraction 25.3

Topic Title: Deleted Text