---
title: "Supported file formats"
url: https://lookeen.com/product/file-formats
lang: en
description: "Which file formats Lookeen searches by content: Office, PDF, email files, images, CAD, diagrams, archives and source code – on the desktop and in Lookeen Server."
published: 2026-11-05T10:00:00+00:00
modified: 2026-11-05T10:00:00+00:00
---

# Supported file formats

Lookeen searches the content of your documents, not just their names – on the PC with Lookeen Desktop and centrally with Lookeen Server. These are the formats Lookeen knows and shows in its “File type” filter.

## By content, with a preview

Lookeen searches the content of your files and shows where it found it.

### Full text from the document

Lookeen reads the text of Office files, PDFs, emails and many other formats. File names are always searchable, also for formats without text.

### Preview with highlights

Office documents, PDFs, text files and images open right in the preview, with your search terms highlighted.

### Scanned documents

Optional text recognition (OCR) makes scanned PDFs and images searchable.

## All formats by category

The list matches the “File type” filter in Lookeen. Beyond these, Lookeen reads many rarer formats.

### Office

-   `.csv` Spreadsheet
-   `.doc` Microsoft Word (1997–2002)
-   `.docx` Microsoft Word (2007+)
-   `.odp` OpenDocument Presentation
-   `.ods` OpenDocument Spreadsheet
-   `.odt` OpenDocument Text
-   `.ppt` Microsoft PowerPoint (1997–2002)
-   `.pptx` Microsoft PowerPoint (2007+)
-   `.xls` Microsoft Excel (1997–2002)
-   `.xlsx` Microsoft Excel (2007+)

### Documents

-   `.chm` Microsoft Help Datei
-   `.epub` ePUB Book
-   `.html` HyperText Markup Language
-   `.indd` Adobe InDesign Document
-   `.md` Markdown Document
-   `.pdf` Portable Document Format
-   `.rtf` Rich Text Format
-   `.txt` Plain Text
-   `.wpd` WordPerfect Document

### Email files

-   `.eml` Email Message
-   `.msg` Outlook Email Message

### Images

-   `.ai` Adobe Illustrator Artwork
-   `.bmp` Bitmap Image
-   `.emf` EMF Image
-   `.eps` Encapsulated PostScript
-   `.gif` Graphics Interchange Format
-   `.ico` Icon
-   `.jpg` JPEG Image
-   `.png` Portable Network Graphics
-   `.psd` Adobe Photoshop Document
-   `.snagx` Snagit capture
-   `.svg` Scalable Vector Graphics
-   `.tif` Tagged Image File Format
-   `.webp` WebP Image

### CAD

-   `.dwf` Design Web Format
-   `.dwg` AutoCAD Drawing
-   `.dxf` Drawing Exchange Format

### Diagrams

-   `.vsd` Microsoft Visio Diagram
-   `.vsdx` Microsoft Visio Diagram (2013+)

### Archives

-   `.7z` 7-Zip Archive
-   `.gz` GZIP Compressed Archive
-   `.rar` RAR Archive
-   `.tar` Tape Archive
-   `.zip` ZIP Archive

### Source code and configuration

-   `.ahk` Auto-Hotkey Script
-   `.as` Action Script
-   `.au3` AutoIt
-   `.bash` Bash Script
-   `.bat` Batch File
-   `.cbl` COBOL Program
-   `.clj` Clojure Source Code
-   `.cmd` Command Script
-   `.conf` Configuration File
-   `.cpp` C++ Source Code
-   `.cs` C# Source Code
-   `.css` Cascading Style Sheets
-   `.fs` F# Source Code
-   `.go` Go Source Code
-   `.groovy` Groovy Script
-   `.h` C/C++ Header File
-   `.ini` INI File
-   `.java` Java Source Code
-   `.js` JavaScript
-   `.json` JSON Document
-   `.ksh` KornShell Script
-   `.log` Log File
-   `.lua` Lua Script
-   `.nsi` Nullsoft Installer Script
-   `.perl` Perl Script
-   `.php` PHP Source Code
-   `.pl` Perl Script
-   `.ps1` PowerShell Script
-   `.py` Python Source Code
-   `.r` R Script
-   `.rb` Ruby Source Code
-   `.sh` Shell Script
-   `.sql` SQL Code
-   `.tcl` Tcl Script
-   `.tex` TeX File
-   `.vbs` VBScript File
-   `.xml` eXtensible Markup Language
-   `.yaml` Yaml File
-   `.zsh` Zsh Script

### Audio

-   `.flac` FLAC Audio
-   `.mp3` MPEG Audio Layer III
-   `.ogg` Ogg Vorbis Audio
-   `.wav` Waveform Audio File Format

### Video

-   `.avi` Audio Video Interleave
-   `.mkv` Matroska Video
-   `.mov` QuickTime Movie
-   `.mp4` MPEG-4 Video
-   `.webm` WebM video
-   `.wmv` Windows Media Video

## Frequently asked questions

Which file types Lookeen indexes and how you choose them.

Can I choose which file types are indexed?

Yes. Lookeen Desktop has the file types in its settings under “Index”, Lookeen Server per source. That keeps the index lean, for example without source code or videos.

Are email attachments searched?

Yes. Attachments are indexed like files of their own, also in PST and OST files and in .msg and .eml files on a drive.

More: [What Lookeen can index](https://lookeen.com/product/data-sources) · [Lookeen Desktop or Server?](https://lookeen.com/product/desktop-or-server) · [Pricing](https://lookeen.com/pricing)