Supported File Formats

Complete list of file formats supported by Z-Preview, including Office documents, Hancom Office, source code, images, media, and more.

Z-Preview supports an extensive range of file formats, covering office documents, code files, images, media, and more.

Office Documents

Format	Extensions	Notes
Microsoft Word	`.doc`, `.docx`, `.docm`, `.dotx`	Full formatting, images, tables
Microsoft Excel	`.xls`, `.xlsx`, `.xlsm`, `.xlt`, `.xltx`	Sheets, formulas, charts
Microsoft PowerPoint	`.ppt`, `.pptx`	Slides, animations preview, speaker notes
PDF	`.pdf`	Full rendering with navigation
OpenDocument	`.odt`, `.ods`, `.odp`	LibreOffice / OpenOffice formats
Other	`.rtf`, `.csv`, `.tsv`	Rich Text, plain-text spreadsheets

Hancom Office (한컴오피스)

Format	Extensions	Notes
Hancom Word (한글)	`.hwp`, `.hwpx`	Full Korean document support with formatting

Why Hancom? Hancom Office is the standard office suite used by Korean government agencies and many Korean enterprises. Z-Preview's native Hancom support ensures seamless collaboration for teams working with Korean partners and organizations.

Source Code

Z-Preview renders source code files with syntax highlighting, making it easy to review code directly in the chat window or file manager.

Category	Extensions
Web	`.html`, `.htm`, `.css`, `.scss`, `.sass`, `.less`, `.js`, `.ts`, `.jsx`, `.tsx`, `.vue`, `.svelte`, `.astro`, `.mdx`
Backend	`.py`, `.java`, `.go`, `.rb`, `.php`, `.cs`, `.rs`, `.kt`, `.kts`, `.swift`, `.scala`, `.dart`, `.groovy`, `.pl`, `.lua`
Systems	`.c`, `.cpp`, `.cc`, `.h`, `.hpp`
Data	`.json`, `.xml`, `.yaml`, `.yml`, `.toml`, `.csv`, `.tsv`
Scripts	`.sh`, `.bash`, `.zsh`, `.ps1`, `.bat`, `.cmd`
Config	`.env`, `.ini`, `.cfg`, `.conf`, `.properties`
Build / CI	`.makefile`, `.dockerfile`, `.jenkinsfile`, `.vagrantfile`, `.cmake`, `.gradle`
Templates	`.ftl`, `.ejs`, `.hbs`, `.mustache`, `.twig`
API / Schema	`.graphql`, `.gql`, `.proto`, `.tf`, `.hcl`
Other	`.sql`, `.md`, `.markdown`, `.txt`, `.log`

Images & Media

Format	Extensions
Images	`.jpg`, `.jpeg`, `.png`, `.gif`, `.webp`, `.svg`, `.bmp`, `.tif`, `.tiff`, `.ico`
Video	`.mp4`, `.avi`, `.mov`, `.wmv`, `.3gp`, `.webm`, `.mkv`, `.flv`, `.m4v`, `.mpg`, `.mpeg`
Audio	`.mp3`, `.wav`, `.aac`, `.ogg`, `.flac`, `.m4a`, `.wma`

Archives (Content Listing)

Format	Extensions
Archives	`.zip`, `.rar`, `.7z`, `.tar`, `.gz`, `.bz2`, `.xz`, `.tgz`

Email

Format	Extensions	Notes
Email	`.eml`, `.msg`	Standard email formats (MIME and Outlook)

Tip: If a file format is not listed here, Z-Preview will display basic file information (name, size, type) and offer a download option.