> For the complete documentation index, see [llms.txt](https://docs.tonic.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.tonic.ai/textual/datasets-preview-output/dataset-file-preview/file-preview-redacted-file.md).

# File preview for de-identified files

For a dataset that generates output files of the same type as the original file, the file preview displays the source and output versions of the file, and highlights the detected entity values.

From a file preview, you can change the entity type handling. For some file types, you can also add manual redactions.

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Select the view</strong><br><br>Display either the output or original version of the file.</td><td><a href="/textual/datasets-preview-output/dataset-file-preview/file-preview-redacted-file/file-preview-select-view.md">Selecting the view</a></td></tr><tr><td><strong>Configure entity type handling</strong><br><br>Select the entity type handling option.</td><td><a href="/textual/datasets-preview-output/dataset-file-preview/file-preview-redacted-file/file-preview-entity-type-handling.md">Changing entity type handling</a></td></tr><tr><td><strong>Add manual redactions</strong><br><br>Select text to redact and assign an entity type to.</td><td><a href="/textual/datasets-preview-output/dataset-file-preview/file-preview-redacted-file/adding-and-removing-manual-redactions.md">Adding and removing manual redactions</a></td></tr><tr><td><strong>Ignore entity instances</strong><br><br>Ignore specific detected entity values in a file.</td><td><a href="/textual/datasets-preview-output/dataset-file-preview/file-preview-redacted-file/ignore-entity-instance.md">Ignoring specific entity instances</a></td></tr><tr><td><strong>Configure CSV columns</strong><br><br>Display column format and configuration options from a CSV file preview.</td><td><a href="/textual/datasets-preview-output/dataset-file-preview/file-preview-redacted-file/configuring-column-content-types-for-csv-files.md">Configuring column content types for CSV files</a></td></tr></tbody></table>


---

# Agent Instructions
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## Querying This Documentation
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```
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```

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